《混元八景真經》

The Primordial Chaos Perfected Being (a revered Daoist deity) said: In the chaotic period before the formation of heaven and earth, when all things were yet to sprout, there was only emptiness. Within this emptiness lay Jing (primordial energy). When Jing accumulated to its utmost limit, it produced the state of Yaoming (dark obscurity). As Yaoming developed to its extreme, moist vapors began to emerge. These moist vapors condensed to their peak, forming mist and dew, which continued to accumulate until transforming into water.

Water flowed downward and gathered, representing Yin Qi (Yin energy). When Yin Qi reached its extreme, it began to generate Yang Qi (Yang energy). Yang Qi gradually ascended, creating heat that ultimately condensed into fire. Fire emerged from water, and water and fire intermingled, each accumulating energy through their interaction. As Yin and Yang energies refined each other, when their energy reached sufficient accumulation, the state of Hundun (primordial chaos) was formed. From this Hundun state sprouted the One Qi (primordial life force), becoming the origin of heaven and earth.

After Hundun was generated from empty Qi, it differentiated into Yin and Yang, producing the Five Phases (Metal, Wood, Water, Fire, Earth) and establishing the Four Symbols (Lesser Yang, Greater Yang, Lesser Yin, Greater Yin). When the Primordial Chaos Qi reached its peak, Hundun began to divide: the clear and light Qi ascended to form heaven, while the turbid and heavy Qi descended to form earth. Though heaven belongs to Yang, it contains Yin Qi within, which descends to form earth; though earth belongs to Yin, it contains Yang Qi within, which ascends to form heaven.

After the formation of heaven and earth, heavenly Qi descended and earthly Qi ascended. Water and fire intermingled, and Yin and Yang stimulated each other. When this interaction reached its peak, it condensed into the Great Elixir (the sun). Through the movement of heaven and earth, the sun generated Metal Qi (belonging to Yin), and when Metal Qi accumulated sufficiently, it formed the Great Yin (the moon). Subsequently, the sun and moon interacted, Yin and Yang refined each other, and when their energy was abundant, stars gradually came into being.

From ancient times to the present, the operation of heaven and earth has never deviated from this principle: heavenly Qi descends, earthly Qi ascends, Yin and Yang interact, the sun and moon unite, and true Qi gives birth to all things. Among all beings, humans are the most intelligent and noble. This is the principle of "the Dao generates the One, the One generates the Two, the Two generate the Three, and the Three generate all things." Both humans and all beings must follow the cyclical patterns of Yin-Yang and the Five Phases, and only when energy is sufficient can form be achieved.

If practitioners of the Dao do not understand this fundamental origin, how can they attain the Dao and achieve perfection? Cultivation must align with the root of heaven and earth, following the cyclical patterns of Yin-Yang and the Five Phases, as well as the harmonious interaction of water and fire, cultivating both internally and externally.

This scripture elucidates the three grades of immortal cultivation and their corresponding methods. The path to immortality is divided into superior, middle, and inferior grades, each further subdivided into three levels, making nine grades of celestial beings in total. The highest cultivation requires aligning with the primordial operations of heaven and earth at creation, achieving complete internal-external correspondence to attain the supreme state of Upper-Class Zhenren (the highest realm of Daoist practice). However, those who violated the "Three Marvels" in youth (likely referring to certain cultivation taboos) must repair their practice by gathering yang essence from the Li-Long Primordial Palace, thus achieving Middle-Class Zhenren status. Those relying solely on their own Jing (essence), Qi (vital energy), and Shen (spirit) cultivation can only become Lower-Class Earth Immortals.

The text particularly emphasizes a rare "Internal Golden Elixir" (the supreme alchemical achievement in Daoist practice), a natural treasure spontaneously generated by heaven and earth, yet scarcely encountered by ordinary people. This elixir, also called the "Golden Liquor Great Return Elixir," represents the most sublime of all alchemical substances. It requires no artificial refinement—encountering and directly ingesting it can immediately bestow Zhenren attainment. To cultivate this elixir, one must gather the solar hun (yang soul) and lunar po (yin soul)—the essences of sun and moon—and nurture them in accordance with the cosmic patterns of Yin-Yang, the Five Phases (Wood, Fire, Earth, Metal, Water), and the eight solar terms (major divisions of the twenty-four seasonal nodes). When mature, the elixir resembles a rotten cherry, requiring 3,600 shichen (approximately 300 days) to fully form within the Li-Long Golden Hall (likely a specific internal cultivation center).

The scripture reveals that since the time of the Yellow Emperor (Xuanyuan), all who achieved immortality did so by ingesting this Golden Elixir to transcend worldly existence. It concludes by affirming that destined individuals encountering enlightened masters and learning this elixir's refinement method may likewise attain the immortal path.

In cultivating the practice methods, one must emphasize the accumulation of virtuous conduct (De), performing good deeds while abstaining from all delusional actions. Only when one's merits and virtues reach perfection can one encounter this celestial elixir. However, if one fails to abandon old wicked habits, calamities will arise immediately, and all previous cultivation efforts will be wasted.

When encountering this elixir, one must understand that the Three Pure Ones (Sanqing, the highest deities in Daoism) and all the immortal beings of the grotto heavens are watching. It is essential to relinquish all worldly thoughts, eliminate the three poisons of greed, anger, and ignorance, and first purify the stomach and intestines. After obtaining the elixir, one must find a clean room, continuously burn incense in all four directions, and sincerely make vows to the deities of Shangqing (Highest Clarity) to demonstrate unwavering devotion before consuming it.

The effects of taking the elixir are as follows:

One pill cures all ailments;

Two pills permeate the entire body;

Three pills grant swift movement as if flying;

Four pills turn white hair black;

Five pills restore youth to the aged;

Six pills bestow an infant-like countenance;

Seven pills summon a hundred spirits to welcome one's thoughts;

Eight pills cause the body to emit red light and clouds to form beneath the feet;

Nine pills enable one to ascend as an immortal, becoming a superior perfected being (Zhenren) without hindrance.

Regarding the Golden Elixir (Jindan) of Reverted Cinnabar—the supreme elixir in Daoist alchemy—it is divided into internal and external forms. External elixir (Waidan) takes the solar soul (rihun) and lunar essence (yuepo) as its foundation, with the essence of eastern Wood as its root and the essence of western Metal as its basis. When these two combine, they produce "yellow sprouts" (a term in alchemy referring to the nascent state of the elixir).

To refine it, one must set up a furnace and cauldron, select an auspicious site to build an altar, gather true Qi into the cauldron, and regulate the firing process from nothingness to manifestation. Five days constitute one "phase" (hou), three phases form one "energy" (qi), and one month contains two such energies. A year comprises twenty-four energies, aligning with the four seasons, eight solar terms, the balance of water and fire, and the phases of the moon—all following the natural order and harnessing the creative power of heaven and earth. When the firing process reaches completion, the altar is opened to retrieve the medicine. Consuming it grants longevity. This is the verification method for external elixirs.

However, the methods of self-cultivation and nurturing one's nature regard the formation of the elixir as the ultimate achievement. Among countless elixir practitioners, scarcely one in ten thousand succeeds, for the difficulty of this method is immense—only one in millions may accomplish it. Only the internal elixir (Neidan), naturally formed by heaven and earth, requires selecting an auspicious time, seizing the opportune moment to gather it, and consuming it according to the method to become a long-lived being.

To obtain this celestial elixir, one must burn incense with utmost sincerity, petitioning the Three Pure Ones, fervently praying to the Supreme Venerable Lord (Taishang Laojun), and invoking the Southern Dipper, Northern Dipper, sun, moon, and stars. One must renew great vows, renounce all worldly attachments, and single-mindedly pursue unwavering determination—only then may one hope to encounter this elixir.

True Daoist masters are actually not as distant from us as one might think. If there exists a person who genuinely comprehends the Mandate of Heaven (Tianming) and maintains upright moral conduct, holding steadfast to the pursuit of the Dao (Dao) without retreating, and continuously accumulates virtuous deeds until perfection is reached—such a person will inevitably encounter a master who reveals the profound mysteries of celestial mechanisms (Tianji).

Cultivation requires mastering three key elements first: the initial foundation (Chuji), the essence of life (Mingji), and the principles of cosmic order (Tianji). Afterward, one must progress through three levels: the superior, middle, and inferior vehicles, each further divided into nine grades of attainment. These nine grades include three levels of the Golden Elixir (Jindan, or Neidan practice), three levels of the Great Medicine (Danyao, or alchemical substances), and three levels of the Great Merit (Dagong, or cultivation virtues), totaling twelve distinct methods of practice.

The origin of all things in the universe stems from chaos (Hundun). Chaos resembles the shape of an egg—round above and square below. During its initial division, the clear and light Qi (Qi) ascended to form the heavens, while the turbid and heavy Qi descended to form the earth. Humanity dwells within this intermediate realm of hazy chaos. This chaotic Qi is like the dust particles floating in sunlight—seemingly tangible yet formless. This state of mutual generation between being and non-being gives rise to the two energies of Yin and Yang (Yin-Yang). The interplay of Yin and Yang produces the Three Powers (Sancai: heaven, earth, and humanity), which in turn give birth to the Four Symbols (Sixiang: lesser Yang, greater Yang, lesser Yin, and greater Yin). The arrangement of the Four Symbols manifests the Five Phases (Wuxing: Wood, Fire, Earth, Metal, and Water), and from the Five Phases, the myriad things of creation emerge.

Someone might ask: If humans and the cosmos share the same origin, why is it that heaven and earth endure eternally while humans experience life and death? This is because heaven is composed of pure Yang and clear Qi—beyond which there is no clearer Qi—thus enabling it to remain eternally suspended without falling. Earth consists of pure Yin and turbid Qi—beyond which there is no more turbid Qi—allowing it to endure without collapsing. Humans, however, are formed from the harmonized Qi of Yin and Yang, neither purely clear nor purely turbid. If a person cultivates the path of clarity and lightness, their spirit (Shen) will return to the celestial realm after death. But if they become tainted by heavy karmic obstructions, they will sink into the underworld upon death. Thus, Yang represents life, while Yin symbolizes death. The reason heaven does not collapse is precisely because it is composed of pure, clear Yang Qi.

This scripture elucidates the fundamental principles governing celestial movements and human mortality. The heavens and earth endure eternally because they follow the natural order of Yin-Yang circulation. The heavens are composed of light, pure Qi (vital energy) that aligns with Yang movement, while the earth consists of heavy, turbid Qi that follows Yin circulation. Attempting to reverse this natural order—such as forcing the heavens to operate with turbid energy or compelling the earth to pursue purity—would cause cosmic collapse.

Human mortality stems from losing the primordial "Yuanhe Qi" (harmonious primal energy). Trapped by worldly desires for fame and profit, people exhaust their Shen (spirit) and Jing (essence), gradually dissipating their vital energies. Most human pursuits focus on material forms (Yin attributes), and when essence-energy depletes completely, death follows. Upon dying, the four elemental constituents (earth, water, fire, wind) of the human body return to their origins, and the Five Phases' (Wood, Fire, Earth, Metal, Water) authentic energies retreat to their respective organs.

Yet human authentic Qi, fundamentally composed of Five Phases and Yin-Yang energies, never fully vanishes. When Yin and Yang energies reunite harmoniously, they can regenerate into new life. Thus, death is the root of life, just as life is the sprout of death.

To transcend mortality and attain immortality (Xian), one must cultivate in accordance with the Dao (Way), preserving primordial authentic Qi. The key lies in emulating celestial patterns: the heavens use Yang movement to supplement Yin, while the earth employs Yin circulation to nourish Yang. Understanding this foundational principle charts the path to longevity; defying it renders all cultivation futile.

As beings born between heaven and earth, humans should mirror their operational principles. The heavens follow "Yang-guided Yin movement," while the earth practices "Yin-guided Yang movement." Only by mastering this interdependent Yin-Yang dynamic can one achieve the state of deathless transcendence.

What is meant by "longevity"? It refers precisely to when cultivation methods are incorrect or one takes the wrong path, leading to entanglement in the cycle of birth and death. If one comprehends the Dao of deathlessness, how could there be birth and death? Where there is no birth, naturally there is freedom from death; without birth or death, one can endure eternally like heaven and earth.

Someone asks: What is the right path and what is the wrong path? The answer is: Ordinary people in their actions all lose their primordial Qi (innate vital energy), damage the "Three Treasures" (Jing, Qi, and Shen), disturb their spiritual consciousness, and violate natural principles. Humans are originally bodies of divine immortals, yet they degenerate into ordinary mortals. Having become ordinary, they naturally lose the opportunity for eternal life until their physical forms perish—this is the great error. If primordial Qi remains unbroken, with Jing, Qi and Shen clearly distinguished day and night, and the spirit settled without worldly attachments, one can share the same De (Virtue) as heaven and earth and shine as brightly as the sun and moon—this is the true path.

Someone asks: If a practitioner has damaged their original spirit (Yuanshen), whether slightly or severely, can they still escape death upon encountering an enlightened master who reveals celestial secrets and guides them in proper cultivation? The answer is: Damage means destruction—when the original spirit is impaired, it scatters. With the spirit scattered, Qi becomes insufficient, naturally unable to harmonize with the movement of heaven and earth. Even forced cultivation will not succeed.

Another question: What if someone first errs but later awakens? The answer: First cultivate the nature (Xing), then nurture life (Ming)—this is the truth. Cultivating nature applies to those who have damaged their original spirit and lack complete Jing and Qi; only after cultivating until genuine Qi is abundant and spiritual energy is complete can one begin nurturing life to become an immortal. If Jing, Qi, and Shen are insufficient yet one forcibly cultivates, success is difficult because internal and external Qi cannot unite—the principle is flawed.

Someone asks: How can internal and external Qi unite and align with heaven and earth? The answer: Heaven and earth both originate from one Qi, and humans are also born from one Qi. Humans and heaven-earth originally share the same Qi—why can't internal and external Qi unite? It is because before awakening, people damage their original spirit, causing internal Qi deficiency, which prevents harmony with external Qi. One should quickly repair the damaged Jing, Qi, and Shen, restoring depleted Qi to completeness, then cultivate according to the correct method—then internal and external will naturally unite.

Someone asked: "When the human body becomes damaged, how should it be repaired and maintained?" The answer is: As previously explained, when yang qi diminishes, it should be replenished with yin qi, and when all things reach their limit, they must return to their origin. Just as all things in the world are composed of the Five Phases (Wood, Fire, Earth, Metal, Water), if a wooden utensil breaks, it can only be repaired with wood to restore its original form. Using other materials like metal, water, fire, or earth to fix it would be ineffective because their natures differ. Similarly, something made of earth can only be repaired with earth.

This principle applies to all things, hence the saying: "When things reach their limit, they return to their origin." If the human body is damaged, as long as one finds the root to replenish the original qi, nothing is beyond repair. If a person cultivates until their Shen (spirit), Qi (vital energy), and Jing (essence) are abundant, they can nurture life and attain immortality. But if Shen, Qi, and Jing are insufficient, even understanding the principles will not lead to success. Attempting cultivation without finding the root is like trying to repair an object with incompatible materials—it simply won’t work.

The "root" is the foundation, and the "origin" is the basis—these are the pillars of human existence. Hence the saying: "When the foundation is established, the Dao arises." This foundation is the "origin," the "One," the primordial qi that constitutes life. The father’s innate true Jing transmits the Shen, while the mother’s true qi nurtures the form. Only when yin and yang qi unite does life emerge, which is why it is said: "The alternation of yin and yang is called the Dao." The Dao gives birth to the One, the One gives birth to the Two, the Two gives birth to the Three, and the Three gives birth to the myriad things—thus forming heaven, earth, and all existence.

This "primordial One" qi is the fundamental basis of human life, being in essence true yin and true yang. Since humans are born from the union of yin and yang qi, when the body deteriorates and loses the "Three Treasures" (Jing, Qi, Shen), it should be repaired according to the root of yin and yang. As long as one cultivates at the point where yin and yang converge, the lost Shen, Qi, and Jing will naturally be replenished. Why then struggle to mend an already failing body? Since the body originates from yin and yang, it can now be repaired with yin and yang qi—the lost Jing, Qi, and Shen will naturally be restored.

If a person can maintain abundant Jing, Qi, and Shen within, their internal qi will merge with external qi. Once inner and outer qi unite, their lifespan can extend as long as heaven and earth. And if they further understand the methods of nurturing life and cultivation, that would be even better.

The immortal adept inquires: Though we know this perishable body is formed from the interaction of Yin and Yang Qi, how does one employ these dual energies for self-cultivation? Having grasped the underlying principles, what then are the concrete methods?

The response is thus: All who seek the Dao must first cultivate the physical form. Only when the body is perfected can one proceed to nurture life-force, ultimately attaining the realm of immortals. The method of bodily cultivation is profoundly subtle and mysterious, capable of appropriating the arcane functions of divine beings. Through esoteric techniques, one gathers the authentic Qi of Yin and Yang to restore the body's waning vitality, returning it to its primordial origin. This origin perfectly aligns with Heaven and Earth, without the slightest deviation. Upon reaching this fundamental essence (the root of life), the original spirit (Shen) and primordial Qi become naturally abundant. When spirit and Qi reach fullness, continued practice according to the foundational method leads to the immortal state of deathless transcendence.

This foundational method is the celestial mechanism (the mystery of Heaven's Dao). The great method of celestial mechanics fully follows the patterns of Yin-Yang movement, requiring alignment with the seasonal transformations of cosmic climate. By revolving Qian and Kun (symbolizing Heaven and Earth) and regulating lead and mercury (representing the body's Yin and Yang Qi), one circulates breath internally and externally until all pathways resonate without the slightest error. One year of practice yields spiritual penetration; two years transcend ordinary limits; three years earn the title of immortal. The specific techniques for bodily cultivation, the application of Yin-Yang climates, and mastery of Five Phase principles are all recorded in the subsequent volume.

(This constitutes the first scroll of the Scripture of the Eightfold Scenery of Primordial Chaos)

The second volume of the Hunyuan Bajing Zhenjing (True Scripture of the Eight Scenes of Primordial Chaos) explains that those who seek to cultivate the Dao and attain immortality must first nurture their nature (xing) before cultivating life (ming). If one's physical foundation is unstable and primordial Qi insufficient, even profound understanding of truth cannot lead to higher realms. This is because internal Qi deficiency prevents resonance and fusion with external spiritual energies, obstructing progress on the path.

Someone asked: Earlier it was said that the interaction of Yin and Yang energies creates life—when the father's Jing (essence) merges with the mother's Qi, conception occurs. But how exactly does this vital essence undergo transformation, and through what process does it appropriate the creative forces of heaven and earth to form a human body?

The answer: The father corresponds to Wood (of the Five Phases), while Jing belongs to Fire—these two are fundamentally one energy, with Wood as the root and Fire as its function. The mother corresponds to Metal, while Qi belongs to Water—Metal being the root and Water its function. These four elements (father's Jing and mother's Qi) originally represent the Four Symbols (Wood, Fire, Metal, Water), which generate each other when encountering Earth; otherwise they conflict. The mother's womb embodies true Earth—when these four symbols enter this palace, they naturally harmonize and condense into the treasure of life.

Each symbol possesses intrinsic qualities: Metal governs nature (xing), Wood governs intention (yi), Water governs wisdom (zhi), and Fire governs insight (hui). They correspond to human anatomy: Metal-nature aligns with the West, forming the lungs; Wood-intention with the East, forming the liver; Water-wisdom with the North, forming the kidneys; Fire-insight with the South, forming the heart. Earth, having no fixed direction, flourishes with the seasons at the center, forming the spleen.

Specific correspondences are: Kidneys govern bones, liver governs tendons, spleen governs muscles, heart governs blood vessels, and lungs govern skin and hair. For sensory organs: liver governs eyes, spleen governs lips, lungs govern nose, kidneys govern ears, and heart governs tongue. Each zang-organ has its paired fu-organ: gallbladder for liver, small intestine for heart, large intestine for lungs, bladder for kidneys, and stomach for spleen. Only when these five zang-orgines maintain their positions and Qi circulates through proper channels—in concert with the aforementioned spiritual qualities—can a complete human form manifest. This illustrates how the Five Phases generate all things.

Human flesh, blood, marrow, skin, hair, tendons, and teeth all transform from these root qualities of nature, intention, wisdom, and insight. This is essentially the creative process from formlessness to form.

This scripture elucidates how the human body can attain harmony with cosmic creation through cultivation. At its core, it teaches that the human form originates from the differentiation of Yin and Yang Qi (vital energies). By practicing reverse cultivation—gathering the authentic Yin-Yang energies between heaven and earth—one can replenish the declining physical form and ultimately transcend ordinary existence.

The cultivation process unfolds through several crucial phases: First, one must generate the "Three Wonders" (Shen, Qi, and Jing) within the body. Shen (spirit) corresponds to Earth Qi, Qi (vital energy) to Metal-Water Qi, and Jing (essence) to Fire-Wood Qi. These energies circulate through the meridians of the "mother system" (the body's internal energy-nurturing network), eventually converging in the Central Palace (the Dantian region).

The actual cultivation involves remarkably precise stages: During the initial ten days, a first membrane forms internally, producing golden fluid and white unguent. After thirty days, when the unguent fills this membrane, it flows into the Dantian. This cycle repeats—every thirty days forming a new membrane while the previous layer's unguent descends—until after nine cycles (approximately three hundred days), the physical body completes its rebirth.

After the "newborn" (the practitioner's reborn spiritual body) emerges, it must be nourished by the accumulated nine layers of milk-unguent. The first year digests three layers, and after three years all nine are fully absorbed, achieving complete integration of Shen and Qi. Only then can ordinary nourishment resume, with food undergoing transformation through the digestive system (symbolized by the Twelve-Storied Tower—the alimentary tract), sequentially processed by the lungs, kidneys, liver, and heart, ultimately governed by the spleen (Earth element, presiding over transformation). The spleen both nourishes all things and purges turbid energies.

This entire process mirrors both cosmic creation and human gestation, employing reverse cultivation to return practitioners to their primordial Yang-pure state. Note that terms like "membranes" and "milk-unguent" metaphorically represent condensed energy states during internal cultivation.

This scripture reveals the mysteries of Jing (essence) and Qi (vital energy) circulation within the human body. When people consume the Five Pungents (onions, garlic and other spicy foods) and various flavors, the waste transforms into excrement while the refined essence enters the Yuan Palace (Dantian, the energy center). Located three inches below the navel and spanning four inches in diameter, this Yuan Palace is called the "Great Sea," inhabited by a divine turtle.

This mystical turtle operates remarkably: its left nostril absorbs nourishment while the right expels waste. It extracts the refined essence of the Five Pungents and other flavors produced by the spleen, circulating them throughout the body. After completing sufficient revolutions, the essence exits through the right nostril, ascending to two orifices beneath the tongue—the left called Jade Fluid (Yuye) and the right called Flower Pool (Huachi). When saliva fills the mouth and is swallowed, it passes through the Twelve-Storied Tower (esophagus) into the lungs.

After completing its cycle, the Yuan Palace turtle directs the essence exclusively to the heart. The heart contains a special area called the Gathering Saliva Cavity with three orifices: the central orifice's fluid nourishes the entire body and cleanses the five viscera; the left orifice circulates Rong Qi (nutritive energy); the right circulates Wei Qi (defensive energy). These two energies—Rong and Wei—are also called Dragon and Tiger, or the lifeblood within humans. This blood energy flows to the skin and hair, completing its cycle to become blood. The essence of blood transforms into flesh, the essence of flesh into sinews, the essence of sinews into bones, and the essence of bones into marrow. As marrow circulates, it generates Jing (essence), which emerges through the Twelve-Storied Tower in front and the Nine Palaces like the Jade Pillow (Yu Zhen) at the back. Marrow fills all 360 joints of the body.

During the union of Yin and Yang, Shen (spirit) is activated first, followed by Qi, and finally Jing. When essence descends and Yin-Yang merge, the foundation of life is formed. Understanding and practicing this principle is key to cultivating truth (Xiuzhen).

Later, someone asks: Why is it said that humans initially receive a single drop of true Qi from their parents, with Qi completing in thirty days and the full body forming in three hundred days before birth? And how does the Golden Fluid White Cream (innate vital essence) sustain life thereafter? How do these thirty days of Qi completion, three hundred days of creation, and three years of Golden Fluid nourishment originate? The answer traces back to the time before Heaven and Earth separated...

The Hunyuan Bajing Zhenjing (Scripture of the True Eight Sceneries of Primordial Chaos) explains how the human body aligns with the transformative processes of heaven and earth through cultivation. The great Dao's authentic Qi enters the middle Dantian (central elixir field) within the body, first dividing into Yin and Yang energies, then forming the tripartite structure of heaven, earth, and humanity. This further differentiates into the four emblems (Green Dragon, White Tiger, etc.), manifests the Five Phases (Wood, Fire, Earth, Metal, Water), harmonizes with the six musical tones, generates seven primordial energies, evolves the Bagua (Eight Trigrams), and ultimately forms the nine-palace configuration. In this way, it encompasses all phenomena, mirroring nature's precision—using the sun and moon to demarcate day and night, and the hundred-mark water clock to measure time.

The cultivation process unfolds in two phases: the first thirty days establish the foundation of Qi, while full physical maturation requires three hundred days. Time progresses from seconds to minutes, minutes to quarter-hours, quarter-hours to hours, hours to days, days to solar terms, and solar terms to years—the entire system follows the rhythm of the ancient water clock. Initially, humans receive innate Qi from their parents, stored in the mingmen (gate of life, a Dantian region). This process synchronizes with cosmic creation: thirty days to lay the groundwork, followed by three hundred days of silently absorbing heaven-and-earth essences to achieve complete form. The "white cream and golden fluid" represent the condensed essences accumulated during these three hundred days. Understanding this principle and practicing accordingly leads to immortality.

The scripture's second volume details specific methods for thirty-day Qi condensation and three-hundred-day cosmic transformation. However, because some practitioners have damaged their "three wonders" (Jing, Qi, Shen), they cannot directly undertake the complete practice. Thus, the middle volume first teaches body-mind cultivation, life-nourishment, and Qi restoration—revealing the subtle principles of cosmic creation and the mysteries of human life. Practitioners must establish this foundational work; if steps are followed fully, results are assured. Yet these secrets must never be carelessly disclosed, lest calamity follow and one fall eternally into the ghostly realms. Guard these methods reverently—transmit them only to worthy recipients, with utmost caution and solemnity.

The Primordial Perfected Being (a Daoist adept who has attained cultivation mastery) elucidates the essential principles of practice through a self-questioning format. He explains that systematic discourse might prove difficult for beginners to comprehend, so one must begin with fundamental truths, revealing celestial mysteries through question-and-answer. The specific methods of the Golden Elixir (Jindan, the core essence of Neidan/internal alchemy) will be recorded in detail in the fifth volume.

Question: The previous text mentioned that when Yang qi diminishes, one should supplement with Yin qi; when things reach their limit, they return to their origin. It advises carefully seeking the root and cultivating according to the primordial state. Yet observing all things in the world—whether plants, animals, or humans—we see they progress from formless to formed, from insubstantial to substantial. Once they possess form and substance, they secretly absorb the qi of Heaven and Earth's Five Phases (Wuxing) to nourish themselves. Though their forms become complete and their qi abundant, they become inversely affected by the qi of Yin-Yang and the Five Phases, deviating from the Dao's natural operation, leading gradually to decay. Why is this?

The Primordial Perfected Being replies: Understand that worldly things cannot be said to endlessly "lengthen" nor arbitrarily "shortened." Length and brevity, height and depth each follow their own principles. Reaching an appropriate state is called "stabilization." When stabilized yet long uncultivated, one reaches the "extreme." At the extreme yet still uncultivated, destruction inevitably follows. But if at the point of destruction one can return to the origin and cultivate according to the root, one may unite with Heaven and Earth. Though worldly things possess form and substance, they lack spiritual awareness, hence cannot achieve this. Among all beings, only humans hold supreme nobility and wisdom. Even when their forms decay and perish, they can still investigate the origin to cultivate—how much more impossible for other creatures! This scripture remains in the world precisely to let later generations know the method of immortality: all who practice accordingly may attain the Dao.

Another question: The previous volume states that if someone has damaged their original qi and thus fails to resonate with Heaven and Earth, they must first cultivate their nature (xing) before nurturing their life (ming), and must investigate the origin to cultivate accurately. What is the principle here? Reply: To cultivate one's nature, one must understand the operation of the Dao's true qi (the universe's fundamental energy). The Dao's true qi has cycles of gathering and dispersing, coming and going—and so does human qi. Just as the human body initially forms in hidden accord with Heaven and Earth's mechanisms...

The true Qi (innate life energy) in the human body likewise follows the cyclical patterns of gathering and dispersing. When Qi condenses, it accumulates in the Dantian (lower abdominal energy center) to form refined essence; when it disperses, it circulates throughout the body as nourishing energy. To cultivate the body, one must align with the natural Qi rhythms of heaven and earth in practice—only then will results manifest. Without understanding the mysteries of cosmic operation, even mastering fundamental cultivation methods proves difficult, for the gathering and flowing of true Qi involves intricate transformations that will be detailed later.

Before cultivation, one must first eliminate bodily ailments. Without illness, the body attains tranquility; with bodily tranquility, the spirit achieves serenity. When physical disease exists, the Shen (spirit) becomes disordered. How can one possibly absorb external energies and harmonize them with internal Qi when both body and mind are unsettled? How then could essential cultivation methods be accurately grasped? Therefore, health must first be established before practicing correct methods—natural efficacy will follow.

Most human illnesses originate from disharmony among the five viscera and obstructed Qi-blood circulation. Cultivation requires first regulating the body to smooth the breath—when breath flows smoothly, the spirit becomes clear. Next, harmonize the five viscera's functions, then unblock Qi-blood circulation to allow unimpeded energy flow. With smooth breath, the viscera mutually nourish; with chaotic breath, they counteract each other. Smooth breath naturally dispels illness; disordered breath creates disease where none existed. When visceral Qi flows harmoniously, Qi-blood circulates freely; when visceral Qi rebels, all meridians become congested. A disordered spirit causes systemic Qi disruption—how could external energies be absorbed under such conditions? Subsequent sections will detail methods for regulating breath and eliminating disease.

Cultivation method: Begin practice at precise timings (measured by ancient water clocks). First activate the limbs' meridians through Daoyin exercises, stretching hands and feet to relax joints, then mobilize the whole body to facilitate Qi flow. Those with enlightened masters know the optimal periods are Xu (7-9 PM), Hai (9-11 PM), and Zi (11 PM-1 AM) hours. Upon entering stillness, Yin energy naturally flourishes, inducing sleep. Yet reclining may stagnate Qi-blood, so first guide Qi to circulate smoothly—this ensures mental clarity during practice. The so-called "spiritual illumination": "Shen" refers to the mysterious force of Yin-Yang transformation, while "ming" resembles the crystalline clarity of sun and moon. Mental activation is called "Shen," precise application is termed "ming." Ordinary people often...

This passage explains how to attain the state of "spiritual illumination" (shenming) through breath regulation practice, enabling the fulfillment of all aspirations. The term "spiritual illumination" refers to a state where one's spirit (shen) becomes interconnected with the Qi of heaven and earth. If one's wishes remain unfulfilled, it indicates the practitioner has not yet achieved this state of spiritual clarity.

The cultivation method begins with assuming a proper seated posture and eliminating distracting thoughts, waiting until both the mind and breath become tranquil. The specific breathing technique involves: inhaling pure Qi (fresh air) through the nose, and gently exhaling turbid Qi (stale energy from the body) through the mouth. This is necessary because the various foods people consume pollute the five viscera, causing pure Qi to become contaminated with turbid energy, thus requiring purification through this inhalation-exhalation practice.

The nose is called the "Celestial Gate" (tianmen), connected to the six bowels, through which light and pure Yang Qi enters and exits. The mouth serves as the "Earth Portal" (dihu), linked to the five viscera, through which heavy and turbid Yin Qi circulates. During practice, one should keep the mouth (Earth Portal) closed, breathing only through the nose in slow, gentle motions, allowing pure Qi to nourish the five viscera and circulate through all the meridians and joints. The breath should be soft, continuous, and silent.

When all meridians become unobstructed, the bodily fluids (saliva) produced from food and drink can be transformed into "divine water" (shenshui) and stored in the Dantian (the "primal palace"), which constitutes the principle of "extraction and replenishment" (choutian) in cultivation. By guiding the primal Yang Qi, one allows the spiritual energy to circulate throughout the body along with blood and Qi. This practice method brings mental clarity and attains the state where "all spirits become illuminated and all affairs reach fulfillment."

This scripture reveals the mysteries of Qi circulation in Daoist Neidan (internal alchemy) practice. During cultivation, the true Qi ascends from the Jiaji Pass (a crucial spinal acupoint) to the crown of the head before descending again. After entering the mouth through rinsing and swallowing, it passes through the Twelve-Storied Tower (trachea) to reach the lungs, then sequentially transfers to the five viscera: kidneys, liver, heart, and spleen.

The essence-Qi received by the spleen remains pure and completely enters the Yuan Palace (Dantian) to nourish the "Divine Turtle" (a Neidan term symbolizing primordial Qi). At this stage, white cinnabar (an alchemical substance) is produced, rising beneath the tongue. After three cycles of mutual generation and restraint among the Five Phases (Wood, Fire, Earth, Metal, Water), it transforms into Divine Water (primordial true fluid). Through cultivation along the Three-Five Channels (referring to the three Dantians and Five Phases), it ultimately forms the Supreme Treasure (Golden Elixir).

The heart possesses three hairs and seven orifices, including a special acupoint called the "Saliva-Gathering Cavity" with three openings. Saliva enters through the central orifice, while the Qi-blood from the left and right orifices circulates beneath the skin, transforming into Defensive-Constructive Qi (the body's protective system). After completing its cosmic circuit, it sequentially converts into blood, flesh, sinews, bones, and marrow, ultimately refined into essence that returns to the Dantian as the Supreme Treasure. This constitutes the "True One" (primordial Qi), also known as the Metal within Water (the yang line in the Kan trigram).

The so-called "Three-Five-One" principle: Three represents Wood (yang, symbolizing Heaven), Five represents Earth (yin, symbolizing Earth). When the essence-Qi of Wood combines with Earth and undergoes cultivation, it becomes the Supreme Treasure. Understanding this profound mechanism of cosmic creation enables transcendence into sagehood.

Regarding the fundamental formation of the human body, the scripture explains it results from the union of Dragon-Tiger (heart-mind and kidney-Qi) and the fusion of Lead-Mercury (original essence and original spirit). All phenomena between Heaven and Earth take form through corresponding Qi mechanisms. The Dragon generates Mercury (heart-mind), the Tiger generates Lead (kidney-Qi) – when genuine Lead and Mercury truly merge, they spontaneously unite with the Dao. By cultivating according to the principle of Lead-Mercury fusion, one will certainly attain the Dao. Detailed explanations of Dragon-Tiger and Lead-Mercury will follow in subsequent passages.

When someone inquired about the profound principles of spiritual cultivation, they received this response: The fundamental origin of human life stems from the primordial Qi (Xiantian Yuanqi) of one's parents—just as trees represent the father (symbolizing life's growth) and earth embodies the mother (symbolizing nourishment and gestation). The intermingling and transformation of parental Qi gives birth to a human being, which embodies the "Three-Five-One" principle (referring to the essential cultivation formula of unifying Jing (essence), Qi (vital energy), and Shen (spirit)). This is the foundation of embodied existence. Cultivators must first regulate the five viscera to ensure smooth Qi and blood circulation, eliminating ailments—only then can they establish a solid basis for self-cultivation.

The questioner pressed further: Since humans are formed through the combined influence of parental Qi and cosmic creation, why not cultivate this very foundation directly instead of gathering Yin-Yang Qi to seize the transformative power of heaven and earth for achieving immortality? They also asked: When an infant is born, their form is complete yet untainted by worldly influences—what method should be used for cultivation at this stage? The answer was: Infants grow naturally precisely because they are free from distracting thoughts and desires. Beyond responding to hunger and cold, they have no other cravings, thus maintaining mental serenity and balanced Qi. This natural state is itself the supreme cultivation method.

Humans originate from the transformation of Yin-Yang energies, which further generate the Four Symbols (Lesser Yang, Greater Yang, Lesser Yin, Greater Yin). These converge in the central palace (Dantian) to form the Five Phases (Metal, Wood, Water, Fire, Earth). A fetus takes preliminary form within thirty days in the womb, nourished by the golden fluid (primordial Jing-Qi) secreted from the mother's breasts. After birth, energy accumulates through ninefold (symbolizing repeated nourishment) breastfeeding over three hundred days. Should cultivators comprehend the cosmic creative principles operating during these three hundred days and align their practice with natural growth patterns, they may transcend mundanity to attain sagehood.

The crux of self-cultivation lies first in regulating Qi and eliminating disease. All methods for consolidating Qi (condensing true energy) derive their subtle profundity from grasping the primordial foundation. The specific arcane techniques for cultivation will be detailed in subsequent chapters.

Finally, someone inquired: Ordinary people seeking longevity must first cultivate body and mind while dispelling ailments... (the original text breaks off here, presumably continuing with concrete cultivation methods).

This scripture elucidates a method for healing illnesses through the cultivation of internal Jing (essence) and Qi (vital energy). When illness arises, one can refine the saliva in the mouth into "divine water" (Shenshui), which is further refined into the "supreme treasure" (the Golden Elixir). When this elixir resides in the primordial palace (Dantian), diseases naturally dissipate.

However, many practitioners find they cannot transform saliva into divine water, nor refine divine water into the supreme treasure. This failure stems not from incorrect methods or misguided effort, but from disharmony among the five viscera's genuine Qi. Only when the Qi of the five viscera achieves mutual coordination can this transformation process be successfully completed. If the five viscera's Qi becomes chaotic and rebellious, even the basic Ying and Wei Qi (the two fundamental energies sustaining life) cannot circulate properly, let alone the refinement of Qi into treasure.

When asked how to harmonize the five viscera's Qi, the text explains: Internally corresponding to the five viscera and externally aligned with the Five Phases (Metal, Wood, Water, Fire, Earth), one must comprehend the fundamental principles of mutual generation and restraint among the Five Phases. By cultivating according to these natural patterns, the five viscera will naturally achieve harmony.

Specifically:

The Wood phase belongs to the east (Jia-Yi), abundant in Yang energy, corresponding to the Zhen trigram and symbolized by the Azure Dragon. It derives its Qi from Water. When Wood energy reaches fullness (represented by the number nine-nine), it generates Fire. The Fire phase belongs to the south (Bing-Ding), corresponding to the Li trigram and symbolized by the Vermilion Bird. Wood and Fire are fundamentally one Qi in mutual generation—with Wood as the host and Fire as the function.

The Metal phase belongs to the west (Geng-Xin), abundant in Yin energy, corresponding to the Dui trigram and symbolized by the White Tiger. It derives its Qi from Earth. When Metal energy reaches fullness (represented by the number seven-seven), it generates Water. The Water phase belongs to the north (Ren-Gui), corresponding to the Kan trigram and symbolized by the Dark Warrior. Metal and Water are also one Qi in mutual generation—with Metal as the host and Water as the function.

The four manifestations of Metal, Wood, Water, and Fire require interaction with Earth to achieve mutual generation; otherwise, they will restrain each other. Earth resides at the center (Wu-Ji) as the sovereign of the Five Phases, possessing the capacity to both generate and subdue all things, harmonizing the four seasons. The human five viscera originate from this system of Yin-Yang and the Five Phases, never departing from this fundamental pattern.

Human life originates from the union of the father's vital essence (Jing) and the mother's blood energy (Qi), which takes complete form under the governance of the earth element. The father's essential Qi represents true Wood-Fire (yang energy), while the mother's blood embodies true Metal-Water (yin energy), with the mother's womb serving as true Earth (the harmonizing element). Only when the four elements of Metal, Wood, Water and Fire are balanced and regulated by Earth can they maintain their distinct properties without dissipation, thereby generating consciousness, wisdom and other life characteristics to form a complete Five Phases (Wuxing) system.

The Five Phases correspond to the five internal organs, from which develop the body's tissues (sinews, bones, skin, hair) and various life functions. Through cultivation, if one can realign yin and yang energies according to natural laws to nurture body and mind, the Dao of immortality can be achieved. This constitutes the fundamental principle of organ cultivation - by following this method, the five organs achieve harmony, diseases naturally vanish. After strengthening the body, one progresses to cultivating both innate nature (Xing) and life force (Ming), ultimately attaining the realm of transcendence.

Regarding specific organ cultivation methods: refining the Qi of five organs requires precise understanding of the Five Phases' characteristics, as the slightest deviation renders efforts futile. The key verification lies in observing the nine orifices (body openings). Each organ connects to specific orifices: the liver to both eyes, heart to tongue, spleen to mouth, lungs to nose, and kidneys to ears plus the two lower orifices. Blocked orifices indicate disharmony in corresponding organs, whereas unobstructed passages signify organ balance, ensuring health and longevity.

Another verification method examines facial manifestations of organ Qi: healthy liver Qi appears cyan, heart Qi red, lung Qi white, kidney Qi black, and spleen Qi yellow. During practice, focus exclusively on one organ's method to prevent cross-interference. For liver cultivation, concentrate solely on the cyan Wood energy of east (Jia-Yi position). The appearance of corresponding cyan hue upon completion confirms effective practice.

This scripture passage describes a method for verifying cultivation progress by observing the color manifestations of the five internal organs (liver, heart, spleen, lungs, and kidneys).

During practice, if one perceives a pure blue-green hue without any mixed colors, it indicates the smooth flow of Qi in the liver. The same principle applies to the other four organs: each manifests its corresponding color (red for the heart, yellow for the spleen, white for the lungs, and black for the kidneys). When these colors appear clearly and purely, it signifies that the Qi of that organ has been properly regulated.

If an organ fails to manifest its proper color, it indicates an obstruction in Qi circulation. Conversely, if the correct color appears, it confirms that the organ’s Qi has been harmonized. By verifying the state of the five organs' Qi in this manner, practitioners can attain a state where hunger and cold no longer affect them. Once even hunger and cold cannot disturb the body, external pathogenic factors such as evil Qi, wind, and cold will find it even harder to cause illness.

Reaching this state ensures freedom from disease, and death has no means to approach. Since one no longer suffers from illness, longevity naturally follows. This is the method for verifying the cultivation of the five organs. Later practitioners who successfully regulate the Qi of all five organs and personally witness these signs may attain the status of an Earth Immortal (a lower-tier immortal in Daoist tradition).

This passage comes from the third volume of the Hunyuan Bajing Zhenjing (True Scripture of the Primordial Eight Scenes), detailing a practical method of internal observation where practitioners assess their cultivation level by discerning the shifting colors of internal Qi.

Chapter 8 "Three Mechanisms" from Volume 4 of the Hunyuan Bajing Zhenjing (Authentic Scripture of the Eight Scenes of Primordial Chaos) elucidates three progressive cultivation methods.

The first section, "Methods of Initial Mechanism," comprises five chapters outlining the generative principles of Yin-Yang, the Three Origins (sanyuan), Four Symbols (sixiang), and Five Phases (wuxing). It systematically divides numerical patterns and climatic cycles into three tiers, addressing the coordination of internal-external and inverse-converse relationships.

The second section, "Methods of Vital Mechanism," contains eight chapters discussing the movement patterns of the Lunar Yin (moon) and Solar Qi (true qi). It details how to regulate the gathering and dispersal of true qi according to daily temporal cycles, achieving internal-external circulation while supplementing cultivation with elixirs. This section emphasizes the sequence of practices and the principles of cosmic creation.

The third section, "Methods of Celestial Mechanism," consists of five chapters explaining how to harness temporal rhythms through talismans (fulu), ritual altars, and celestial observations. This includes tracking solar-lunar movements and seasonal transitions (five days as a minor cycle, forty-five days as a node, ninety days as a phase), aligning internal and external correspondences for cultivation. The entire chapter spans eighteen sections.

Cultivation is divided into superior, middle, and inferior vehicles, each further classified into three grades with distinct attainments:

• The superior three grades focus on "Embracing Unity and Guarding the Center" (baoyi shouzhong), centering on the Golden Elixir (jindan) path through the union of Dragon's Mercury (essence of Wood) and Tiger's Lead (qi of Metal).
• The middle three grades cultivate the "Divine Water and Blossoming Pool" (shenshui huachi), prioritizing the harmonization of Tiger's Lead and Dragon's Mercury to form the Great Medicine (dayao).
• The inferior three grades practice "Circulating Essence and Gathering Qi" (yunjing caiqi), emphasizing the union of Qian's Mercury (paternal essence, Wood-Fire) and Kun's Lead (maternal qi, Metal-Water) as the foundation of groundwork.

Lead and Mercury (qi of Metal and Wood) constitute the root of all creation. Mercury pertains to Wood as its quintessence, while Lead pertains to Metal as its refined qi. Ancient masters held that comprehending Metal's essence (lead-mercury fusion) leads to longevity, their perfect union results in immortality, and their coagulation accomplishes Daoist attainment. Authentic Lead and Mercury represent true Yin and Yang—the core of cultivation.

The text specially highlights the practice of "Qian's Mercury and Kun's Lead": Qian's Mercury symbolizes paternal essence (Wood-Fire), while Kun's Lead embodies maternal qi (Metal-Water). Their concealed union and Yin-Yang interaction align with cosmic creation. Metal, Wood, Water, and Fire form the Four Symbols, with Earth centrally mediating—together constituting a complete cultivation system that corresponds with the twenty-four solar terms' cyclical patterns.

The circulation of Qi (vital energy) through the human body in one complete cycle (known as a full-body circulation) requires ninety-six revolutions. When this process accumulates to three hundred and eighty-four cycles, the Yin and Yang energies reach fullness. Following this principle, thirty days bring the breath to perfection, and three hundred days complete the physical form, enabling birth as a human. If one can reverse the process and harness the two primal energies of life (with Qian-Hg representing Yang energy and Kun-Pb representing Yin energy), gathering them within oneself, they can seize the creative power of Heaven and Earth. When the absorbed Yin and Yang energies reach completion, one transforms from the mundane to the sacred—this is what is called the "Great Work of Qian-Hg and Kun-Pb."

The essence of this Great Work lies in the fact that humans are originally formed through the union of Qian-Hg and Kun-Pb energies. Through cultivation, one recondenses these two energies. When the Qian-Hg energy becomes abundant, it is called the "Divine Talisman" (Shenfu). When the Divine Talisman energy reaches completion, it is called "White Snow" (Baixue). Once the White Snow energy is perfected, it transforms back into Qian-Hg and Kun-Pb, ultimately merging with the supreme Dao.

The achievements of cultivation are divided into three grades:

• If one begins cultivation from birth without any loss of primordial spirit (Shen), with complete spiritual energy, and fully grasps the essentials of the Great Work, perfect cultivation results in the upper grade of the lower vehicle, known in this world as a "Divine Immortal" (Shenxian).
• Those who start cultivation in middle age, having already lost half of their primordial spirit and comprehending only part of the essentials, achieve the middle grade of the lower vehicle upon completion, known as an "Earthly Immortal" (Dixian).
• Elderly cultivators, having lost two-thirds of their primordial spirit and grasping only the preliminary essentials, attain the lower grade of the lower vehicle upon completion, enabling them to live out their natural lifespan before shedding their mortal form to become an Earthly Immortal.

Next is the discussion of "Tiger-Pb and Dragon-Hg" (the intermediate cultivation method of Yin-Yang essences):

• Tiger-Pb refers to the true Qi of the White Tiger (symbolizing the Metal phase of the West). Metal nature belongs to Yin, being the condensation of pure Yin essence.
• Dragon-Hg refers to the true Jing (essence) of the Azure Dragon (symbolizing the Wood phase of the East). Wood nature belongs to Yang, being the transformation of pure Yang energy.

When Dragon-Hg (with the Wood phase numbered nine and the Fire phase numbered three, totaling twelve) combines with Tiger-Pb (with the Metal phase numbered seven and the Water phase numbered five, totaling twelve) under the nurturing influence of the Earth phase, after three hundred days of gestation, "Yellow Sprouts" (the embryonic form of the Golden Elixir) are formed. When the Qi of the Yellow Sprouts reaches completion, one transcends the ordinary and enters the sacred—this is the "Great Medicine" cultivation of the intermediate vehicle.

This scripture elucidates the principles governing the "Qi of Four Symbols" and the formation of the "Great Medicine" (Dayaо) in Daoist Neidan (internal alchemy) practice. The twenty-four breath patterns of the Four Symbols (Azure Dragon, White Tiger, Vermilion Bird, Black Tortoise) correspond to a lunar cycle. The Dragon (Azure Dragon) resides in the east at the Mao position (Wood phase, Yang Qi), while the Tiger (White Tiger) occupies the west at the You position (Metal phase, Yin Qi). Their combined energies generate sixteen transformations, symbolizing the application of one jin (an ancient unit of measure).

Within Yin and Yang reside three spirits each: three Yang spirits (Shen, Qi, Jing) within Yin, and three Yin spirits (Shen, Qi, Jing) within Yang—totaling six deities. This mirrors the six lines of the Yi Jing (Book of Changes), which, when combined with the energies of Metal and Wood, form the eight solar terms and Bagua (Eight Trigrams). Each trigram further generates eight variations, resulting in sixty-four hexagrams and their 384 line transformations—all corresponding to the divine spirits within the human body.

The so-called "Great Medicine"—the core energy of Neidan cultivation—emerges when the Primordial Qi of Supreme Yin (mother of all things) unites with the Primordial Qi of Supreme Yang, gestating within the Central True Earth (the energetic correlate of the spleen/stomach) as "Yellow Sprouts" (huangya). Depending on the practitioner's age and condition, three grades of attainment exist:

• Youthful practitioners with intact Shen-Qi achieve the superior grade, called "Middle Vehicle Immortals"
• Middle-aged practitioners with some depletion attain the intermediate grade, termed "Middle Vehicle Divine Immortals"
• Elderly practitioners with significant depletion obtain the inferior grade, known as "Longevity Earth Immortals"

The latter section details "Dragon-Lead and Tiger-Mercury" (Neidan terminology):

• "Dragon-Lead" refers to extracting True Lead (Yin energy) from the White Tiger and guiding it to the Azure Dragon Palace (Liver meridian). After Yin-Yang union, it forms the Mysterious Pearl (rudimentary elixir embryo), which then returns to the White Tiger Palace for refinement.
• "Tiger-Mercury" involves first using the White Tiger's True Lead to restrain the Azure Dragon's True Mercury (Yang energy), establishing balanced mutual regulation.

These processes require precise fire-phasing (breath regulation during practice) and belong to the supreme Golden Elixir (Jindan) methods.

This passage expounds the core principles and progressive stages of Daoist Neidan (internal alchemy) practice. During cultivation, the primordial Qi (vital energy) first enters the "White Tiger Primordial Palace" (a key energetic cavity representing the metal phase of the lungs in western correspondence), harmonizing with the twenty-four solar terms to form "Tiger Mercury" (symbolizing yang within yin as metallic quicksilver). When the dual energies of yin-yang (dragon's lead and tiger's mercury) unite through the cyclical movements of the Four Symbols (Azure Dragon, White Tiger, Vermilion Bird, Black Tortoise) and Five Phases (metal, wood, water, fire, earth), they coalesce into the "Mysterious Pearl" (embryonic form of the internal elixir).

The Golden Elixir (highest attainment of internal alchemy) fundamentally arises from the union of solar true Qi and authentic lead (primordial essence). After one hundred days of dedicated practice, it manifests as a cherry-sized, radiant crimson orb. Three grades of attainment correspond to cultivation depth: the superior path yields celestial immortals, the middle path divine immortals, and the basic path great immortals. Mastery over all three grades of lead-mercury (refined essence-energy at different levels) enables transcendence beyond these tiers to attain the "True Lord" realm—further stratified into upper, middle, and lower grades within the Shangqing (Highest Clarity) hierarchy.

The text meticulously details the mathematical framework governing this practice: the yin-yang pairing of 192 counts each totals 384, mirroring the Yijing's (Book of Changes) 384 hexagram lines; the triad of heaven-earth-human (36 counts each) sums to 108; while the Four Phases (metal-7, water-5, wood-9, fire-3) combine as 24, which—through specific five-cycle breathing techniques—integrates with the central earth phase's 5 to yield 120. Practitioners must synchronize with celestial rhythms—when one complete Qi circulation through the body produces abundant sublingual nectar (called "one celestial period"), the spleen (earth phase) serves as the pivotal mediator.

This scripture unveils the Daoist cultivation system that precisely coordinates numerical calculations with natural cycles, establishing correspondences between the human microcosm and cosmic macrocosm's operational laws.

This passage explains the Daoist cultivation method of "ingesting Qi" (fuqi) — the practice of regulating primordial energy through breath control and swallowing saliva. The "divine tortoise" mentioned refers to the spiritual entity governing respiration within the human body, while the "Primordial Palace" denotes the lower Dantian (three inches below the navel).

Dietary precautions are essential for this practice: Consuming the "five pungents" (stimulating foods like onions and garlic) generates saliva, but killing living creatures produces turbid Qi. The saliva enters through the left nostril, circulates through the meridians for one celestial cycle (zhou tian), then exits through the right nostril. When the mouth fills with saliva (called "one phase"), one must avoid forceful rinsing, as this would damage the integrity of primordial Qi.

The swallowing process follows a specific pathway: First passing through the "twelve-story tower" (trachea) into the lungs. The lungs, associated with Metal (West), initiate the Qi movement, which then sequentially transmits to the kidneys (North/Water), liver (East/Wood), heart (South/Fire), and spleen (Center/Earth), completing the Five Phases cycle. Each full circulation is termed "one celestial cycle."

The concrete practice method involves: Closing the six sensory gates (eyes, ears, nose, mouth, etc.), then when Qi fills to the point of near saturation, swallowing in three portions to guide the Qi downward to the lower Dantian. Visualize the divine tortoise inhaling through the left nostril, then after the breath stabilizes, imagine exhaling through the right nostril to disperse energy throughout the body — rising to beneath the tongue, passing through the "double passes of the spinal hinge" (key points along the Governing Vessel), and entering the brain. Repeat this swallowing process rhythmically.

This cultivation has three designations: "moving Qi," "circulating fire," and "unblocking the nutrient-defense system" (Qi-blood circulation). For instance, when cultivating lung Qi, one must first "circulate fire" (activate Yang energy) to enable lung Qi to reach all joints. The entire process must strictly follow the principles of Yin-Yang, the Three Primordial Energies, the Four Symbols, and the Five Phases to achieve optimal results.

This scripture elucidates the specific methods and principles of the "Zhou Tian Gongfa" (Celestial Cycle Method) in Daoist Neidan (internal alchemy) practice. During cultivation, the practitioner must first circulate internal Qi among the five organs: after rotating through the lungs seven times, use "huohou" (a technical term referring to the method of regulating breath and intention) to guide kidney Qi; following five rotations through the kidneys, apply huohou again to direct liver Qi; after nine rotations through the liver, guide heart Qi; and after three rotations through the heart, perform huohou five times according to established rules. This process allows the four symbolic organs (lungs, kidneys, liver, and heart, corresponding to the Five Phases of Metal, Water, Wood, and Fire) to receive the primordial Qi from the central spleen-earth (the spleen and stomach's corresponding Earth phase), completing the full cycle of the four symbols and five phases—this is called the "Zhou Tian" (Celestial Cycle).

When the practitioner accomplishes this internal Qi circulation and achieves sufficient Yin and Yang energies, they may advance to higher-level cultivation. The specific method involves completing sixteen full Zhou Tian cycles according to the temporal rhythm of the twenty-four solar terms, totaling 384 rotations (corresponding to the 384 lines of the Yijing). This harmonizes internal and external Yin-Yang energies in alignment with the fundamental cosmic principle of creation—the human body itself originates from the transformation of Yin and Yang energies.

The scripture further explains: Yin and Yang establish the Three Powers (heaven, earth, and humanity), differentiate into the Four Symbols, arrange the Five Phases (Metal, Wood, Water, Fire, Earth), generate the Six Pitch Standards (musical tones), evolve into the Seven Regulators (sun, moon, and five planets), transform into the Bagua (Eight Trigrams), and ultimately form the complete system of 64 hexagrams. Each hexagram's six lines total 384, corresponding to the 384 acupoints in the human body. At this stage of cultivation, external manifestations of all phenomena appear around the body, while internally 36,000 guardian deities emerge (Daoism holds that every part of the body has protective spirits)—all manifestations of nature's creative laws.

However, it must be noted that such advanced methods are suitable only for practitioners whose primordial Qi remains undamaged. Those who have depleted their primordial Shen (spirit) and weakened their Jing (essence) through excessive indulgence, those whose internal and external energies cannot harmonize, or the elderly and physically frail should not force this practice. True masters of these methods, through dedicated quiet cultivation, may prolong life even if they don't achieve immortality. When one's destined lifespan is fulfilled and primordial Qi can no longer increase, natural transition occurs to become an "earthly immortal" (a lower-tier transcendent in Daoism)—this is essentially the state of physical and spiritual transformation achieved through cultivation.

In spiritual cultivation, if one fails to grasp the fundamental methods of self-cultivation and life-nourishment, one can only rely on concentrated mental focus to sustain oneself. Just as the human form initially takes shape through the interaction of Yin and Yang Qi (vital energies), these energies each follow their own cyclical patterns within the body. When these energetic cycles are exhausted, life cannot continue, ultimately leading to death.

The body serves as the dwelling place for Qi, while Qi itself is the master of the body. When the master abandons the dwelling, the structure collapses; when Qi departs from the body, physical decay follows. Therefore, spiritual practice must begin with repairing the body and replenishing primordial Qi (Yuanqi). Only when both body and Qi are sufficiently nourished can one truly discuss life extension. Those who understand only how to concentrate their existing Shen (spirit) and Qi to maintain the body will face death when these energies are depleted. However, if one can preserve conscious awareness beyond physical death, one may become an Earth Immortal (a lower-ranking transcendent being in Daoism).

Elderly practitioners who comprehend this principle—first cultivating the body and replenishing Qi before nourishing life—can naturally surpass ordinary human lifespans. When aged and physically weakened, they may supplement themselves with the Yang Qi of younger individuals (known as "the old Yin seizing young Yang"), thereby extending their lives. Conversely, youths who lose their Yang Qi in this process will experience premature aging. Mastering this method enables rejuvenation, with the essential key lying in cultivating fundamental "True Qi" (Zhenqi).

True Qi serves as the seed of life, capable of resonating with the transformations of Yin-Yang in endless cycles. If one's innate True Qi remains undiminished and is cultivated in harmony with the creative processes of Heaven and Earth, immortality can be achieved. Even when True Qi has been damaged, cultivation using existing spiritual energies can still prolong life sufficiently to become an Earth Immortal. By nurturing True Qi within the body according to the rhythmic patterns of the sun and moon, when Qi reaches fullness, spiritual illumination naturally follows.

For those with severe depletion of primordial Qi, remediation can be sought through "Black Lead" (white metal transformed by Western righteous Qi). The specific method involves crafting an alchemical furnace from lead: the superior grade uses five jin of lead, with daily practice corresponding to five-day micro-cycles; the intermediate grade employs forty-five jin, with forty-five day practice periods matching solar terms; the inferior grade requires ninety jin, with ninety-day cycles aligned to seasonal transitions. Through this method of regulating primordial Qi, vital energy can be restored.

This scripture elucidates the methods and principles of Daoist Neidan (internal alchemy) cultivation, focusing primarily on "gathering the medicinal essence" (collecting the body's primordial Qi) and the application of the "furnace and cauldron" (a metaphor for human cultivation).

Practitioners must gather Qi according to specific temporal cycles: a five-day cycle collects five days' worth of Qi, a forty-five day cycle gathers forty-five days' worth, and a ninety-day cycle accumulates ninety days' worth. Cultivation begins at the winter solstice when Yang energy first emerges. The "furnace and cauldron" (referring to either a cultivation partner or one's own state) must be renewed daily, selecting only those with supple physiques and gentle dispositions while avoiding individuals with the "nine flaws and ten evils" (undesirable physical or moral traits).

The human body resembles a furnace with eight gates and nine orifices, through which Qi circulates upward and downward. The crux of practice lies in three Qi pathways: upper, middle, and lower. Five days of cultivation naturally replenishes Qi, forty-five days brings greater abundance, and ninety days achieves perfection. The upper and middle pathways nourish the body, while the lower pathway circulates the celestial cycle. Practitioners must draw Qi from the furnace-cauldron to replenish themselves, hence the necessity of choosing partners with robust health and abundant Qi.

Three years of sustained practice enables transcendence to become terrestrial immortals (dixian). Even those who have committed faults may attain this state if they refrain from repeating mistakes and persist in cultivation with their remaining Shen (spirit) and Qi. At life's end, they may shed their mortal form. Further refinement leads to the fruit of celestial immortality. The "tiger's lead and dragon's mercury" mentioned here refer to the cultivation principles of Yin-Yang energies.

Regarding "true Five Phases" (the authentic Five Phase energies within the human body, distinct from external manifestations), these determine one's destiny. To establish life's foundation, one must recognize the true Five Phases within, break destiny's shackles, nurture the Mysterious Pearl (Neidan), store consciousness in the Dantian (energy center), subdue Qi in the kidneys, and elevate essence to the Great Harmony Palace (crown of the head). This constitutes the gateway to sagehood.

The genuine Five Phases are not external metal, wood, water, fire, and earth, but rather the embodied Five Phase energies within. Human organs likewise condense from true Five Phases - though Earth Phase lacks fixed form, both heaven-earth and the human body originate from it. True metal is humanity's mother, true wood its father, true water embodies metal's Qi, true fire contains wood's essence, and true earth mothers primordial Qi. These concepts form the core of Neidan practice.

This passage elucidates the core principle and practical method of "the union of two energies" in Daoist Neidan (internal alchemy) cultivation. The four symbolic energies (referring to Lesser Yang, Greater Yang, Lesser Yin, and Greater Yin as cosmic forces) generate authentic Qi that converges in the Dantian (primordial palace). Through the harmonizing power of the Earth phase, all things are created and transformed.

Within the human body, these four symbolic energies similarly gather the power of the Five Phases (Wood, Fire, Earth, Metal, Water). Nothing exists that isn't formed through this creative transformation. To cultivate immortality, one need only follow this fundamental law of creation, and the realm of immortals will naturally manifest. The key lies in understanding the relationships among the Five Phases and securing the "golden lock"—here referring to using true lead (primordial Jing/essence) to subdue true mercury (primordial Shen/spirit), their union forming the great medicine of the Golden Elixir. When true lead controls true mercury, the "mysterious pearl" (embryonic form of the inner elixir) takes shape. During this process, the two energies mutually regulate each other until finally coalescing into the elixir pearl.

In practice, the cultivator must focus consciousness in the Dantian, allowing the four symbolic energies to gestate countless spiritual manifestations there. The specific method involves storing the authentic Qi in the kidney region. This "mysterious pearl" contains the energy of twenty-four solar terms (representing celestial cycles) and can further generate 384 variations of energetic movement. These internal energies circulate with the blood and Qi flow, forming the "path of returning essence" (celestial circulation), also called "golden essence."

The so-called "union of two energies" refers to the combination of true lead (tiger lead) and true mercury (dragon mercury). When true lead condenses, it forms the elixir in the Dantian; when dispersed, it transforms into Qi circulating throughout the body. Practitioners must precisely time the gathering and scattering of these energies without error. The concrete procedure is: during the Gui hour (9-11 PM) after the new moon, when Greater Yin energy appears, one collects true lead. After obtaining true lead, during the Chou hour (1-3 AM), the metal and wood energies must meet. Through the controlling relationships of the Five Phases, emotional activity is stimulated but must be restrained to prevent essence leakage, allowing the two energies to naturally unite.

The method for collecting true lead involves: preparing 13-14 taels of pure white metal (symbolizing primordial essence), purifying oneself with fragrant water in a quiet chamber, and using herbal aids to enter a special state. Collection must occur at the exact astrological moment, avoiding external Qi interference. Immediately after obtaining true lead, it must combine with true mercury—this process requires the complete presence of all four symbolic energies and Five Phases. Subsequent daily practice must strictly follow this temporal rhythm.

The fundamental basis of human life lies in the primordial Qi within the body. The formation of a human requires thirty days to gather Qi and three hundred days to complete the transformative process (referring to gestation) before taking shape. This vital foundation initially resides in the White Tiger Primordial Palace (referring to the lower Dantian), associated with the Kun position (Kun symbolizing Earth), which is the location of True Earth. Within the body, the authentic Qi of the Four Symbols (Green Dragon, White Tiger, Vermilion Bird, and Black Tortoise—the four types of primordial Qi) all rely on True Earth as their foundation, ensuring they are not easily damaged. However, deliberate disruption can lead to the disorder of Qi.

If one can guide the two Qi of Yin and Yang back to the Green Dragon Primordial Palace (referring to the upper Dantian), the Qi in this location is unique and requires an additional thirty-day nurturing period and three-hundred-day transformative process. Mastering this transformative principle allows one to harness the power of Heaven and Earth to cultivate immortality.

The thirty-day nurturing period refers to the fusion of Yin and Yang Qi, during which there must be no interference or distracting thoughts. It requires the assistance of two fellow practitioners at specific times to harmonize internal and external Qi. Once the Four Symbols' Qi is abundant, it is guided into the Central Palace (middle Dantian). When Yin and Yang Qi reach their peak, they naturally condense over thirty days. If the Qi circulation is insufficient or incomplete, the primordial Qi cannot be fully formed, so one must focus solely on nurturing it for thirty days. The subsequent three-hundred-day cultivation then fully aligns with the transformative principles of Heaven and Earth, achieving seamless integration of internal and external practice.

Key points regarding the circulation of the Five Organs' Qi:

When cultivating the Qi of the Five Organs, one must select times corresponding to the season, month, and day. For example, the liver belongs to Wood and is best cultivated during the three months of spring on Jia-Yi days (days associated with the Wood element in the Heavenly Stems). The specific method is as follows: sit upright, clear the mind, close the Earth Gate (perineum point), open the Heaven Gate (crown point), and breathe deeply and evenly. Focus on guiding the circulation of the Rong and Wei Qi (the Qi and blood system) to activate the liver's Qi, directing it from the Jiaji Shuangguan (acupoints along the spine) upward to the brain, then descending from the crown into the mouth. After swallowing, it passes through the Twelve-Storied Tower (esophagus). The Qi transmission sequence is: liver → lungs → kidneys → heart → spleen → Primordial Palace (Dantian). The Divine Turtle (referring to the Qi form within the Dantian) completes the celestial cycle, and the Qi eventually flows out from the two apertures beneath the tongue, appearing green in color, indicating smooth circulation of the liver's authentic Qi. The cultivation methods for the other four organs follow a similar pattern.

A crucial note: Liver Qi cultivation must begin on Jia-Yi days within the three months of spring, when the liver's Qi is most vigorous. This ensures the Qi is not mixed with that of other organs, allowing the pure Qi of the liver to nourish the entire body.

Practitioners circulate the authentic Qi (vital energy) of the five viscera (liver, heart, spleen, lungs, kidneys) through the celestial cycle (meridian circulation of the entire body). When sufficient cycles are completed, the refined Jing (essence) and Qi nourish the physical form. The purest energy converges in the primordial palace (Dantian, energy center), following the natural rhythms of mutual generation and restraint among the Five Phases (Wood, Fire, Earth, Metal, Water). These authentic Qi currents remain contained within their native viscera until the third lunar month of spring, when they are reactivated during the Jia and Yi days (hours dominated by Wood Phase vitality).

The liver-stored Qi then flows anew, permeating the body through both the five-viscera circuit and the nutrient-defense system (blood and Qi circulatory network). When concentrated, this liver Qi manifests as pristine azure (Wood Phase's intrinsic hue), while the other four viscera's Qi similarly reveal their elemental colors (heart-Fire red, spleen-Earth yellow, lung-Metal white, kidney-Water black). The full manifestation of these five chromatic signatures confirms successful cultivation.

The Golden Lock Method (a Neidan, internal alchemy technique) centers on obtaining the "White Tiger's Primordial Jing" (lung-Metal essence), termed "True Lead" (Metal essence). Optimal harvesting occurs during 14-day, 16-day, or 15-day lunar cycles. Purity of body and mind during collection is essential—any external pathogenic influence will cause the True Lead to disperse with impurities rather than settle in the primordial palace (Dantian).

Metal represents the western lung-Metal Qi, which constitutes the True Lead. Lead (Metal essence) dwells within the White Tiger (lungs). "Lock" signifies containment—restraining the Azure Dragon (liver-Wood Qi) from dissipation and preventing essence leakage. The Dragon's Qi is "True Mercury" (Wood fluid), housing the liver's purest energy. These Dragon-Tiger (liver-lung) supreme essences derive from the Four Symbols' (Wood, Fire, Metal, Water) Qi transformations, having no fixed form. Lead and Mercury (Metal essence and Wood fluid) possess distinct natures requiring spleen-Earth (the central yellow mediator) to harmonize their coalescence. When Metal and Wood energies unite, elixir formation occurs spontaneously.

The esoteric method involves transferring the White Tiger's True Lead (Metal essence) to the Azure Dragon's palace (liver)—paradoxically relocating lung-Metal energy to liver-Wood territory. Undisturbed, the Lead stabilizes within the hepatic chamber. With Metal essence (Lead) established in the Wood domain, Metal controls Wood (Lead restrains Mercury), causing Wood fluid (Mercury) to bond inseparably with Metal essence (Lead)—this constitutes the "Golden Lock." Thus the alchemical principle becomes clear: the Dragon Palace obtains Lead while the Tiger Palace retains Mercury.

This passage explains the method for condensing the "Mysterious Pearl" (Xuanzhu) in Daoist Neidan (internal alchemy) practice. The Mysterious Pearl refers to the concentrated essence formed through the union of Jing (essence), Qi (vital energy), and Shen (spirit) within the practitioner's body, regarded as the foundation of immortality.

To cultivate the Mysterious Pearl, one must prepare unrefined "white gold" (a Daoist metaphor for the body's vital essences) weighing between fourteen ounces to one pound. The practice requires the harmonious meeting of two energies: metal (tiger, representing yin) and wood (dragon, representing yang), while maintaining unwavering mental focus. Following the principles of yin-yang numerology, the process adheres to the ninefold cyclical pattern. When the wood energy (yang) shows signs of dispersing, it must be restrained by metal energy (yin).

The specific method involves: closing the eyes to nurture the spirit, straightening the spine, contracting the abdomen, curling the fingers like hooks, and directing Qi upward. Maintaining mental tranquility, the practitioner repeats this process sixteen times to form the Mysterious Pearl. This pearl emerges from the convergence of the four emblematic energies—metal, wood, water, and fire—where the dragon (wood) represents yang qi and the tiger (metal) represents yin qi. Within yin resides true essence called "lead," while within yang resides true essence called "mercury." The union of lead and mercury naturally gives birth to the Mysterious Pearl.

In practice, one first employs special techniques to obtain true lead (yin essence), guiding it back to the Dantian (energy center) where the azure dragon resides. This causes true mercury (yang essence) to naturally remain. Lead and mercury represent the convergence points of dragon-tiger essences—when these energies unite with lead and mercury, they coalesce into the Mysterious Pearl. Practitioners will feel intense heat below the navel, as if a cauldron were burning.

During the "Mysterious Pearl Forms the Golden Elixir" stage, careful observation of the golden tiger (yin energy) is essential. When yin energy reaches peak activity, the Mysterious Pearl enters the "Palace of Interaction" (middle Dantian). This earth-associated region completes its energy cycle after thirty days; after three hundred days, a perfected Golden Elixir (Jindan) forms, enabling the practitioner to rival the creative powers of heaven and earth.

This scripture describes the formation process and efficacy of the Golden Elixir (Jindan, the supreme achievement in Daoist Neidan/internal alchemy practice).

When cultivation reaches its ten-month completion, the Golden Elixir forms beneath the left breast near the ribs—resembling a cherry in size, with a translucent purple-red hue like fresh blood, radiating brilliant light. At this stage, the White Tiger (symbolizing yin energy within the body) obtains the Mysterious Pearl (embryonic form of the elixir) at the Jiaogan acupoint (a vital point in the body), marking a state entirely distinct from ordinary qi sensations. Practitioners must vigilantly guard against emotional disturbances (sorrow or joy), temperature extremes (cold or heat), fear and anger, irregular eating, and conflicts, as these may disrupt the elixir's formation.

As the Golden Elixir approaches maturity and detachment, it should be received in a purified vessel. After ritual bathing in fragrant water while maintaining mental clarity, the practitioner lifts the elixir from the Earth Portal (Huiyin acupoint), circulates it three times, then faces north to bow in gratitude to the Three Pure Ones (Sanqing)—Lord Lao (Taishang Laojun), Lord Dao (Taishang Daojun), and Celestial Worthy of Primordial Beginning (Taishang Yuanshi Tianzun)—before swallowing it. The elixir permanently anchors in the Primordial Palace (Dantian/energy center). Through focused visualization of the spirit (Shen) and consolidation of authentic qi, the essence-energy (Jing-Qi) ascends to nourish the brain, ensuring unimpeded energy flow throughout the body. The elixir's qi circulates autonomously, subtly transforming bones, sinews, skin, and hair, guiding practitioners toward sagehood.

Within three years of ingesting the Golden Elixir, an ordinary physical form undergoes complete transfiguration, becoming a Perfected Being (Zhenren) capable of ascension to behold the Celestial Worthy of Primordial Beginning. This process requires the protective assistance of 36,000 spirits of luminous essence, 12,000 form-shadow spirits, 12,000 authentic qi spirits, and 12,000 entry-exit spirits—all manifestations of yin-yang energies. These dual forces generate the Four Symbols (Shaoyang, Taiyang, Shaoyin, Taiyin), which in turn form the Five Phases (Wood, Fire, Earth, Metal, Water), from which all phenomena arise. Ultimately, all existence fundamentally manifests as diverse spiritual entities.

The "golden fluid and white cream" mentioned refers to the quintessential condensate of Four Symbols' authentic qi. Here, the Dragon (yang) and Tiger (yin) unite, while Lead (original spirit) and Mercury (original qi) intertwine, harmonizing the Five Phases in the Central Palace (middle Dantian). The Dragon and Tiger respectively represent authentic yin and yang, each containing three elements: Shen (spirit), Qi (energy), and Jing (essence), corresponding to the Kan, Gen, Zhen, Xun, Li, and Dui hexagrams from the Bagua/Eight Trigrams. The three yin and three yang elements combine into six pairings, which—together with the Dragon and Tiger themselves—form eight foundational configurations. These multiply into sixty-four hexagrams, each comprising six spirit forms, collectively producing 384 transformative permutations.

This scripture elucidates the cultivation principles of Shen (spirit) and Qi (vital energy) within the human body. The body contains 384 yao positions (symbolizing the lines in the Yijing), each corresponding to the dual deities of Yin and Yang. Through the union of Yin and Yang, these generate another 384 deities, forming a total of 36,000 deities throughout the body. This process mirrors the Daoist cosmological principle where Yin-Yang gives rise to the Four Symbols (Lesser Yang, Greater Yang, Lesser Yin, Greater Yin), which in turn generate the Five Phases (Metal, Wood, Water, Fire, Earth), from which all phenomena emerge.

During gestation, the human form initially receives the dual energies of Yin and Yang. After thirty days, a membrane forms beneath the breasts, producing the "Golden Nectar White Cream" (a Neidan term referring to essential bodily substances). This vital essence nourishes and forms the physical body. The same Golden Nectar White Cream proves essential for achieving immortality through cultivation. When practitioners gather the authentic Qi of Yin-Yang and the Five Phases within themselves, this substance arises from the Dantian (energy center), ascends through the "Kan Palace" (region below the Dantian) to the two orifices beneath the tongue, and through refinement transforms into white cream. This essence circulates with the blood and Qi, nourishing the three fundamental life elements: Shen (spirit), Qi (vital energy), and Jing (essence).

After three years of cultivation, when the Golden Nectar White Cream completely replaces the ordinary bones, sinews, skin, and hair, the practitioner undergoes the "shedding of the mortal shell" to become an immortal. Even beginners who properly regulate their existing Shen, Qi, and Jing can achieve longevity and rejuvenation, let alone those engaged in fundamental cultivation.

The latter section emphasizes aligning cultivation with celestial rhythms. Just as Heaven and Earth maintain order through solar and lunar cycles, human life depends on the circulation of Qi and blood (the "flourishing and guarding" energies). Practitioners should cultivate according to their internal Qi-blood rhythms, mirroring how the cosmos follows celestial patterns.

The moon, as part of the celestial movement of sun and moon, can achieve longevity equal to heaven and earth if its orbit remains flawless. Heaven and earth interact through the resonance of musical tones (lülü) and the Qi of the Five Phases (Wuxing), while the conjunction of sun and moon gives birth to all things. Yet if the celestial bodies unite while the body's true Qi fails to intersect internally, this becomes harmful; when sun and moon move while internal Qi stagnates, gradual aging and illness ensue.

The crucial point lies in making the body's Rong and Wei energies (Rong Qi resembling the sun, Wei Qi mirroring the moon) emulate the celestial motions. Just as the Three Wonders (sun, moon, and stars) govern heaven and earth, so must the three treasures of Shen (spirit), Qi (vital energy), and Jing (essence) master the human form to attain immortality. Consider how heaven and earth endure precisely through the governance of these Three Luminaries. Without the sun by day or moon by night, how could stars exist between them? Similarly, when Shen departs the body, Jing exhausts, and Qi severs, how can human existence continue?

The cultivation method involves making internal Qi intersect like the celestial conjunction, circulating within as the heavenly bodies orbit externally. Achieving this brings natural alignment with cosmic longevity. Further refinement through alchemical practice may elevate one to parity with creation itself.

Celestial mechanics follow precise patterns: within twelve daily hours, the sun corresponds for nine and remains unresponsive for three; across thirty days' 360 hours, 270 show correspondence while 90 do not. The moon appears only 24 days monthly, vanishing during three days before and after its conjunction. This occurs because the lunar essence (Taiyin) originates in the Shen position, its Qi moving counterclockwise through the Xu, Hai, and Zi palaces (pure Yin domains called Taiyin's secret chamber) where the moon remains concealed for six days. Meanwhile, the solar essence (Taiyang) arises in the Yin position, progressing clockwise until meeting the moon in those three palaces—their dual energies intersecting creates the non-responsive phase. The six days spanning the 27th to 3rd of each month mark this celestial union when moon hides and sun withdraws.

Practitioners who cultivate abundant true Qi, achieving internal-external resonance during these cosmic encounters—making Rong-Wei energies unite when sun and moon conjoin, circulating Qi during their celestial journeys—can ultimately realize the Daoist ideal of enduring vision and boundless longevity.

The circulation of the Rong and Wei systems (referring to the body's qi-blood circulatory network) requires harmonious coordination between internal and external forces. Within the lunar cycle, the first three and last three days belong to the Chen hour (7-9 AM) of Taiyin (the Moon), when the Moon separates from the Sun. As the Moon moves from its primordial palace (the starting point of its orbit) to its current position, days 4-8 and days 23-27 correspond to the Chou hour (1-3 AM) of the Sun, when the Sun separates from the Moon.

During the first three days, the Moon newly ascends in the western direction (Geng), then gradually wanes over the last twenty-seven days. Days 8-23 belong to the Gui hour (9-11 PM) of the Sun, when the Sun separates from the Moon. When lunar qi reaches fullness, it shines with exceptional brilliance in the mortal realm. The precise synchronization between the movements of the sun and moon with the cyclical patterns of heaven and earth ensures flawless harmony, enabling eternal existence. Practitioners who align their internal Rong-Wei qi circulation with these celestial rhythms, harmonizing their breath with the cosmic climate, can attain longevity equal to heaven, earth, sun and moon. This constitutes the thirty-day cultivation principle governing the interaction between lunar-solar cycles and the Rong-Wei system.

The Three Primordial Forces (Jing, Qi, Shen) establish life's foundation. When solar and lunar qi converge and fuse, the authentic qi of Taiyin descends. The specific cultivation schedule follows: For days 1-3 after the new moon, practice begins during the Gui hour (9-11 PM) and concludes at Xu hour (7-9 PM); days 4-8 run from Chou hour (1-3 AM) to Xu hour; days 9-23 extend from Gen hour (3-5 AM) to Xu hour; days 24-27 resume the Chou-to-Xu schedule; days 28-30 return to the initial Gui-to-Xu cycle. This timing reflects how Taiyin and the Sun unite during the three nightly hours of Xu, Hai (9-11 PM) and Zi (11 PM-1 AM), mirroring the natural convergence of the body's Rong-Wei qi. Practitioners must pause cultivation during these hours to allow spontaneous qi interaction.

After completing this circulatory method, practitioners must await sufficient climatic conditions before continuing. The technique proceeds as follows: Begin cultivation from the lungs, sequentially connecting all five organs. First guide lung qi into the Central Palace (middle Dantian), performing thirty-five breaths per revolution—seven revolutions total. Then transmit to kidney qi entering the Central Palace for thirty-five breaths, followed by liver qi for twenty-five breaths, heart qi for fifteen breaths, and finally spleen qi, totaling one hundred twenty breaths to complete a microcosmic orbit. Hold the breath until exhaustion before directing qi to the Primordial Palace (lower Dantian). The first day focuses on fire regulation (breath and energy modulation), the second on qi harmonization, with emphasis on supporting Rong-Wei circulation. Sixteen completed microcosmic orbits form one full cultivation cycle, with nine hourly periods devoted to practice and three to rest within each twelve-hour day.

When cultivating to the sixteenth transformation (a stage in Daoist Neidan/internal alchemy practice), the body's Yin and Yang energies become fully developed. Persisting in cultivation for thirty days allows these energies to coalesce and solidify; continuing for three hundred days enables the natural completion of creation's work. By adhering to this method, one can naturally achieve the intended results.

The Great Yin True Qi (Yin energy) discussed here, also termed the White Tiger True Lead (a Neidan term referring to primordial essence), serves as the fundamental source from which all things are transformed. When the Great Yang True Qi (Yang energy) descends, the Great Yin True Qi follows in descent; when the Great Yang Qi lies dormant, the Great Yin Qi also enters latency. This state of descent is called "yao ming" (the profound and mysterious realm), precisely where the Great Yin True Qi resides.

The descent of Great Yin True Qi follows specific temporal cycles. If cultivation is forced at improper times, success may prove elusive even after countless attempts. In truth, the dormancy and descent of Great Yin Qi follow inherent rhythms—there's no need for forced effort. Simply aligning with its natural temporal patterns ensures success in the great work of cultivation.

Each lunar month, the six-day period spanning the twenty-eighth day before the new moon to the third day after constitutes a special phase of convergence between the Great Yin and Great Yang. During these six days, each day's practice must align with precise hours:

• On the 1st and 30th days, True Qi arrives during the Gui hour (21:00-23:00), coalesces at the Chou hour (1:00-3:00), and disperses during the Gen hour (3:00-5:00).
• On the 2nd and 29th days, it arrives at the Zi hour (23:00-1:00), coalesces during Gui, and disperses at Chou.
• On the 3rd and 28th days, it arrives in the Ren hour (19:00-21:00), coalesces at Zi, and disperses during Gui.

Harvesting True Lead (primordial Qi) demands attention to three critical moments: immediate collection when Qi arrives, timely fusion during coalescence, and顺势circulation upon dispersion. The slightest misstep nullifies all prior effort. Just as Neidan practice requires harmony between one's Shen (spirit) and Qi, one must: collect when Qi arrives, fuse when it coalesces, and circulate when it disperses. Failure to collect leads to stagnation; neglecting fusion causes dissipation; refusing to circulate results in depletion—these constitute hidden losses. Without understanding these mysteries, even ten thousand cultivation methods will only lead to decline.

Regarding the essentials of establishing an altar:

The ritual platform serves to harmonize celestial and terrestrial climates. The pivotal forces governing heaven and earth's primordial movements are the sun, moon, and five planets (Venus, Jupiter, Mercury, Mars, Saturn—representing the Five Phases). The sun and moon embody Great Yang and Great Yin, while the five planets manifest the Five Phases. When these celestial bodies move in orderly cycles, earthly climates remain balanced, and the four seasons follow their natural course. Within the human body, the key lies in the defensive-nourishing Qi (Ying-Wei) and the five organs. Harmonizing Ying-Wei Qi with the organs aligns them with seasonal transitions.

The sun, moon, and five planets each govern seven Qi movements, just as the body's Ying-Wei and organs circulate seven Qi patterns. Completing 360 days of such cycles forms one celestial revolution. When constructing an altar, these correspondences between heaven and humanity must guide the process.

This passage explains the correspondence between temporal cycles and the movement of internal Qi in Daoist cultivation practices.

The period of five days is called a "hou" (cycle) because the sixty Jiazi deities (Daoist temporal deities) each govern one of the twelve daily time periods, completing exactly sixty time periods in five days. Forty-five days constitute a "jie" (node) as each day contains twelve time periods (six yin and six yang phases), totaling three hundred sixty periods that correspond to one complete revolution of the Bagua (Eight Trigrams). Ninety days form a "qi" (energy phase) because forty-five days accumulate the Qi of three hundred sixty deities, while ninety days gather the Qi of seven hundred twenty deities. A year's three hundred sixty days thus contain exactly four such energy phases.

The human body follows similar cyclical patterns: it contains twelve primordial Shen (spirits, six yin and six yang) that coordinate with the movement of the Rong-Wei Qi (the body's vital energy and defensive Qi system), mirroring the daily revolution of the Bagua. When practitioners can harmonize their internal Qi-blood flow and organ functions with celestial movements, they achieve perfect synchronization with these temporal patterns - the five-day hou, forty-five-day jie, and ninety-day qi cycles.

However, if one's primordial Shen has been damaged, resulting in insufficient spiritual energy, the body loses resonance with heaven-earth energies. In such cases, practitioners must identify the root cause for restoration, replenish their Jing-Qi-Shen (essence, energy, and spirit), then resume proper cultivation methods.

The text further details temporal divisions: each day contains one hundred "ke" (quarter-hours), with the four pivotal time periods (Zi, Wu, Mao, You) each comprising nine ke, while other periods like Yin, Shen, Si and Hai follow specific divisions. This precise measurement enables practitioners to accurately track the gathering and dispersal patterns of the Four Phases' authentic Qi (seasonal energies) within their bodies.

This scripture elucidates the correspondence between time, spatial orientation, and Yin-Yang transformations in Daoist cultivation practices. The text divides a day into one hundred ke (an ancient timekeeping unit), with the four cardinal directions of zi (north), wu (south), mao (east), and you (west) each occupying nine ke. These correspond respectively to the Four Symbols: the Black Tortoise of northern Water, the Vermilion Bird of southern Fire, the Azure Dragon of eastern Wood, and the White Tiger of western Metal. The remaining eight directions (yin, shen, si, hai, chen, xu, chou, wei) each occupy eight ke, symbolizing how the Eight Trigrams (Bagua) assist the cyclical movement of the Four Symbols.

Practitioners must pay particular attention to the Yin-Yang transitions of key temporal nodes: the zi hour (11 PM–1 AM) marks the initial emergence of Yang, the wu hour (11 AM–1 PM) signals the first stirrings of Yin, while the mao hour (5–7 AM) represents the peak of Yang energy. These moments harmonize with the qi (vital energy) of heaven and earth. For instance, during the thirty days following each new moon, when the celestial and terrestrial Yin-Yang energies intermingle, adepts who can attune themselves to the gui period (four-and-a-half ke after zi hour, approximately 11:45 PM–12:15 AM) may synchronize their internal qi with the external lunar essence, thereby harnessing cosmic creativity for cultivation.

The text emphasizes that the human body is originally formed through the coagulation of the Four Symbols' primordial qi. Spiritual practice involves consciously reconnecting with these opportunities for Yin-Yang resonance. Failure to precisely observe water-clock measurements (ancient clepsydra timing) may cause one to miss the optimal moments for qi condensation. For example, the gui period straddles the boundary between the nine ke of zi hour and the eight ke of chou hour—only by pinpointing the exact four-and-a-half ke after zi hour can practitioners accurately capture the descent of the lunar essence.

When the authentic Yin Qi (referring to the innate primordial energy within the human body) descends, it should be received during the Chou hour (1:00–3:00 AM), specifically four ke (approximately one hour) after the Gui hour (9:00–11:00 PM). As the authentic Qi gathers, it aligns with the Gen hour (3:00–5:00 AM), four ke after Chou, when the Qi begins to disperse. After receiving and circulating this dispersed Qi, continue practicing the method accordingly. Each full cycle of one hundred ke (roughly 24 hours) follows this rhythm, mirroring the natural patterns of Heaven and Earth as measured by the ancient water-clock.

Regarding the cultivation method of "Seizing the Thirty-Day Accumulated Intercalary Merit": Over a three-year cycle, one gathers thirty intercalary days (representing the surplus spiritual energy of Heaven and Earth). Concentrating these intercalary energies in cultivation can achieve great merit. This method loses efficacy if extended beyond three years, but if mastered, immortality is nearly within reach—a shortcut on the path. The so-called Thirty-Day Great Merit refers to the surplus energy accumulated during periods of abundant spiritual vitality within those three years, analogous to the thirty days a human fetus takes to form its basic structure and the three hundred days required for full development in the womb.

In practice, these thirty days of Heaven-Earth spiritual energy are harnessed intensively, much like a fetus completing its physical formation in three hundred days. After birth, another three years of nurturing are needed for full maturation. If one understands how to cultivate these thirty intercalary days of surplus energy properly, the true nature (innate essence) can be condensed within thirty days, instantly granting spiritual powers. Mastery of this method enables feats like "sitting here yet vanishing there" (instantaneous movement) and passing through walls. However, the practice requires three fellow practitioners to guard the process—none can be omitted. After fifteen days, the true nature may separate from the physical body, necessitating timely summons by a designated guardian. Missing the summoning window risks the true nature failing to return.

This phenomenon of the true nature awakening after leaving the mortal frame mirrors the cosmic process of Yin-Yang energies merging to create form from nothingness. After birth, humans become obscured by postnatal Qi and blood, forgetting the innate methods of cultivation. When the true nature departs, it may resist returning due to contamination by worldly turbidity, hence the need for persistent summons. Only upon hearing the call and recognizing the body’s ongoing cultivation does the true nature reintegrate.

This scripture describes a thirty-day cultivation process divided into several key stages:

During the first twenty days, practitioners gradually experience the spontaneous emergence of their "true nature" (innate essence), which manifests intermittently. By the twenty-sixth day, when the physical form has not yet fully materialized, this is called the "Great Change" (Taiyi) stage, existing in a state where being and non-being intermingle. On the twenty-seventh day, one enters the "Great Beginning" (Taichu) stage, where primal Qi begins to sprout, and practitioners first perceive the existence of physical form.

The twenty-eighth day is termed "Great Origin" (Taishi), where the form and Qi begin to align properly, and the innate nature starts taking shape. The twenty-ninth day marks entry into the "Great Simplicity" (Taisu) stage, where the physical form undergoes qualitative transformation, revealing the true form within a state of pristine whiteness. On the thirtieth day, one reaches the "Supreme Ultimate" (Taiji) stage—the form and substance become complete, and the true nature transcends physical constraints to move freely. While this represents achievement, it hasn't yet reached the immortal realm, being merely an expedient method for minor sages.

The practice must strictly follow temporal measurements (traditionally timed using water clocks). A three-tiered altar should be erected in an open, level space, with twelve directional divisions outside the altar arranged according to specific numerical patterns, totaling one hundred marks. A timekeeper must sit at the altar's center to announce the periods. For example, when cultivating during the spring Jiazi day, begin precisely at the midnight hour (Zi), carefully calculating the transition between time periods (the Hai period governs eight marks, Zi governs nine marks, etc.), while avoiding the special "flourishing-defense transition" hours.

During cultivation, a specially prepared "white ointment" must be consumed: mix one liter of newborn infant's milk with two catties of white sand honey, half an ounce of musk, one ounce of cinnabar, half an ounce of frankincense, and half an ounce of borneol, ground into fine powder and placed in a porcelain jar. Wash white rice clean, blend it with the medicine, steam until cooked, and consume. From the start of practice, take one spoonful every two-hour period throughout the day. After five days, increase by half a spoonful daily; after ten days, add two spoonfuls; after fifteen days, two and a half spoonfuls; after twenty days, three spoonfuls—maintaining this dosage until the twenty-sixth day without further increase.

When the sun sets, the practitioner's true nature (original spirit, Yuanshen) can manifest its fundamental form by separating from the physical body, at which point one may freely engage in discourse about the Dao. Attaining this state demonstrates that the great work of cultivation has borne substantial fruit.

This passage from the fifth volume of the Scripture of the Eightfold Scenery of Primordial Chaos describes the verification criteria for advanced stages of Neidan (internal alchemy) practice. In Daoist cultivation, "the true nature leaving the body" refers to an elevated state where, through prolonged practice, the Yuanshen gains the ability to freely enter and exit the physical form. When practitioners can manifest this capability after sunset (during the waxing of Yin energy), it proves they have achieved a genuine breakthrough in their cultivation.