《還丹金液歌註》

This passage discusses the core alchemical concepts of "lead and mercury" (the fundamental materials in inner alchemy) and their symbolic meanings:

In Daoist alchemy, lead and mercury are respectively called the "White Tiger" and "Azure Dragon." Lead (White Tiger) appears black in color, corresponding to the north and the Water phase; mercury (Azure Dragon) originates from cinnabar, corresponding to the south and the Fire phase. The scripture explains:

Though lead appears black externally, it contains the characteristics of all Five Phases (Wood, Fire, Earth, Metal, Water). As Laozi spoke of "attaining the One" (grasping fundamental principles), lead serves as the foundational material in alchemy that enables all things to grow and brings peace to the world.

Mercury, refined from cinnabar, is volatile and active in nature—ancient practitioners called it the "unruly maiden" due to its difficult-to-control properties. As it belongs to yang energy, which is light and prone to dispersion, mercury proves particularly challenging to harness.

Lead (White Tiger) corresponds to Metal in the west, while mercury (Azure Dragon) corresponds to Wood in the east. Their combination mirrors the pairing of yin and yang—the union of the middle male (Azure Dragon) and middle female (White Tiger)—embodying the fundamental Five Phases theory in alchemical practice.

The text mentions "three yellows and one black" as an alternative name for the divine elixir, while the "Three-in-One" refers to the unification of the Three Treasures: Jing (essence), Qi (vital energy), and Shen (spirit). Practitioners who master these essential principles can achieve the immortal Dao.

This passage actually employs symbolic language to convey alchemical principles: through the chemical interaction of lead (Metal) and mercury (Wood), practitioners achieve yin-yang balance and Five Phases circulation, ultimately refining the Golden Elixir. It contains numerous Daoist-specific Five Phases correspondences and alchemical metaphors.

This passage expounds the principles of lead and mercury in alchemical practice and key cultivation insights:

Lead (known as "yellow teeth") belongs to northern Gui-water, representing the essence of the Great Yin that restrains yang energy. Mercury corresponds to fire while lead corresponds to water, and water overcomes fire. The text employs the Five Phases' mutual restraint principle: Wood is restrained by Metal, Water by Earth, Earth by Wood, and Metal by Fire—this being the constant Dao of heaven and earth. Yet ordinary people often fail to grasp the profound mutual generation and restraint between lead and mercury, still searching ancient formulas with gray hair while doubting the scripture's authenticity.

The author identifies common misconceptions: people using ordinary lead and mercury to make elixirs, claiming to produce the "Great Elixir" (advanced alchemical medicine), yet most who ingest it die prematurely. Elder Zhang Guo (one of the Eight Immortals) long warned that lead contains deadly poison—as absurd as hunting in water or fishing on mountains. Many alchemists can't even distinguish the yin-yang properties (referring to medicinal materials' cold-hot nature) or the sovereign-minister compatibility (primary-secondary herb relationships), let alone understand fire regulation (temperature control during alchemy).

The true alchemical Dao is profoundly difficult: one must comprehend the mystery of "yang medicine subdued by yin, yin medicine subdued by yang," master techniques like the "Vermilion Bird's fire regulation" (controlling furnace temperature) and recognizing the "infant's cry" (acoustic changes during the process). The challenge lies not in rare ingredients, but in people's duplicitous hearts obstructing true transmission.

The text cites Wang Yang (Han dynasty occultist) as example: though receiving authentic transmission, poverty compelled him to present the elixir formula to Emperor Wu of Han, claiming cinnabar transformation required imperial power. The Right Army (Wang Xizhi) and Master White Cloud (Taoist adept) both cultivated arduously over twenty years before achieving results. Criticizing worldly obsession with wealth over virtue and duplicity, it admonishes Dao-seekers to cultivate humility, value virtue over riches, nurture compassion, and accumulate hidden virtue (merit gained through secret good deeds).

This scripture reveals common misconceptions in alchemical practices through the cautionary tale of Master Zhang Guo. It recounts a true case where two sworn brothers each carried a pound of mercury to Yangcheng Mountain for alchemical refinement. After three years of smelting, they obtained a reddish glass-like "Great Elixir." Upon consuming two ounces each, within a hundred days they could barely walk without support, ultimately succumbing to fatal poisoning.

Master Zhang Guo points out contemporary errors in so-called "Golden Elixir" production using lead and mercury (in alchemical terminology, "Metal Lord" refers to lead and "Charming Maiden" to mercury). Some practitioners react mercury with metals to extract what they call "essential Qi," proclaiming the resulting violet-gold lead crystals as the Great Elixir—yet consumers turn sallow within months, developing consumption. Others directly use highly toxic lead, ignorant of how lead poisoning corrodes the blood vessels. These superficial learners fail to understand that worldly lead and mercury can only forge metal utensils, never prolong life.

The text emphasizes two essential principles of true alchemy: First, mercury exists in three forms (common quicksilver being merely the most basic)—the "Spirit Mercury" used in advanced methods from classics like the Cantong Qi and Jinbi Qiantong remains utterly unknown to ordinary people. Second, practitioners must follow the Daoist principle that "one yin and one yang constitute the Dao" (lead as yin, mercury as yang), but crucially understand that the "Divine Water and Blossoming Pool" (referring to the convergence point of Jing-essence and Qi-vitality within the body) forms the true foundation of the Golden Elixir. Tragically, most mistake their lead-mercury vessels for this sacred inner locus, completely misinterpreting the classics. As the Cantong Qi states: True mysteries are never recorded on bamboo slips, lest celestial secrets be divulged.

This scripture illustrates through several stories that achieving immortality through Daoist cultivation requires unwavering determination and long-term accumulation:

1. The Difficulty of Cultivation:

• Laozi (Lord Lao) taught that those who truly understand the Dao do not speak of it lightly, while those who talk about it often lack genuine understanding. Master Zuo Ci believed true realization comes from within, the result of accumulated merit from past lives.
• Modern practitioners often seek quick results with restless minds, only to exhaust their vital energy (Qi) without attaining anything. The path of Yin-Yang (referring to the fundamental principles of cultivation) is inherently difficult to master.

2. Methods of Cultivation:

• Ancient masters taught that seekers must approach the Dao with humility, diligently studying scriptures and thoroughly comprehending ancestral teachings while engaging in deep personal contemplation.
• As Laozi said: "The giant tree grows from a tender sprout, the nine-story tower rises from piled earth, the thousand-mile journey begins beneath one's feet." Practitioners must maintain humble perseverance through arduous accumulation to gradually attain spiritual awakening.

3. Two Inspirational Stories:

(1) The Butcher's Quest:

• Two indebted butchers fled to the mountains intending suicide. One encountered an immortal disguised as a woodcutter who tested him: "If you can drill through ten feet of stone with this wooden rod, I'll teach you the Dao."
• The butcher persisted for over twenty years, exhausting countless rods while penetrating only seven feet. Moved by his sincerity, the immortal granted him the Golden Elixir (Jindan) after the stone was pierced, enabling his daylight ascension.

(2) Zuo Ci's Cultivation:

• The renowned fangshi Zuo Ci practiced uninterrupted bowing rituals in a cave for three years, while Yin Changsheng studied under his master for over two decades. These accounts prove all realized beings undergo prolonged austerity—no one attains immortality through idle sitting.

4. Critiquing Modern Attitudes:

• Contemporary seekers chase fame and profit while neglecting Daoist principles, expecting great realization with shallow commitment—how could this succeed? Frivolous individuals won't even receive authentic transmission from true adepts.

Core Teaching: Achieving immortality demands steadfast resolve, enduring hardship through sustained practice—never through opportunistic shortcuts.

This passage primarily elucidates the principles and methods for refining the Golden Elixir (a key alchemical substance in Daoist Waidan/external alchemy):

The opening observes how most people remain entangled in worldly affairs—even those with spiritual aspirations often find their physical constitution too weakened for successful cultivation. In truth, miraculous elixirs possess life-extending properties, as the coagulation of primordial Qi (fetal essence) can prolong vitality. Here we compile the wisdom of ancient sages in poetic form to reveal these profound mysteries to practitioners.

Key refinement methods:

1. The "harmonious energy" refers to the primordial Qi of creation (Taichu energy) that generates all things. During refinement, one must grasp the principle of mutual generation between mother and child elements (with mercury as mother and metals as offspring), while noting their transformative interactions during the process.

2. The alchemical process follows Yin-Yang transformations:

• Proceed in phases mirroring lunar cycles ("the moon weds the sun in ten-day intervals")
• When the dual energies of Yin-Yang (sun and moon) completely fuse, the radiant Golden Elixir manifests
• Extract the crucial "River Chariot" substance (referring to the essential mercury compound known as Charming Maiden)

3. The southern direction represents fire phases (Bing-Ding fire), whose union with central earth energy completes the elixir. During refinement:

• Azure waters (mercury base) produce golden-white blossoms (metallic essence)
• Dragon-serpent energies (metal-fire fusion) require careful control when first entering the furnace
• Measuring tools (knife-shaped spoons) must be used with absolute precision

4. The authentic Golden Elixir possesses creative powers—it nourishes all beings and shares heaven-earth longevity. The text specifically warns:

• Never mix common metals with mercury
• Such erroneous methods endanger life
• Emphasizes using pure mercury (Charming Maiden) as primary material

(Note: Waidan terminology frequently employs metaphors—terms like "River Chariot" or "Charming Maiden" may carry varying interpretations across different scriptures.)

This scripture elucidates the essential principles and process of refining the "Returned Elixir" (Huan Dan), a crucial substance in Daoist Waidan (external alchemy) practice.

The opening passage describes the merging of two yin essences (Xuan Yin Jing). When the Qi of "Chanu" (mercury) and the "foundational water of profound yin" harmonize completely, they form an elixir capable of dynamic transformation. Notably, the mercury used here isn't ordinary cinnabar-derived mercury but a specially prepared substance.

"Yin rhythms" refer to the precise regulation of firing temperatures according to Yin-Yang principles. At the perfect moment of firing, the phenomenon of "crimson dragon coiling" appears—where scarlet flames (Chi Huo) interact with the medicinal compounds (Long Yao), producing miraculous transformations as elusive as a divine dragon's movements.

Practitioners must observe lunar phases (new and dark moons) to gauge firing progress. When the material manifests morphological changes, it yields "Niao Ti Jin" (an alternate name for the Returned Elixir). The "yellow sprout" (Huang Ya), representing the elixir's nascent state, isn't extracted directly from minerals. Rather, it emerges spontaneously from the vital energies of heaven and earth, like a golden shoot sprouting from emptiness.

The text concludes by emphasizing that the 300 essential formulas recorded in the Fire Chronicle (Huo Ji) alchemical classic guarantee success—provided one truly comprehends mercury's properties, masters golden transformations, and perfects firing techniques. Like the rare pregnancy of a mule, even seemingly improbable achievements become certain through correct methodology.