周易参同契：大易总叙章第一

Zhou Yi Cantong Qi: Chapter One - General Exposition of the Great Change

Overall Paraphrase

Qian (☰, Heaven, and Kun (☷, Earth — pure yang and pure yin, symbolizing the two fundamental forces of the cosmos) form the gateway of the Book of Changes (Zhou Yi), the "father and mother" from which the remaining sixty-two hexagrams arise. Kan (☵, Water, symbolizing yin containing yang within) and Li (☲, Fire, symbolizing yang containing yin within) constitute the structural framework, like the hub and axle of a wheel — the hub is hollow while the axle passes through it, revolving without cease, driving the entire system into motion. These four hexagrams (Qian, Kun, Kan, Li) together act as a great bellows (tuoyue): between one inhalation and one exhalation, they carry and contain the full principle of yin-yang transformation.

This is like a masterful charioteer who grips the marking cord and ink line to calibrate direction, holds the bit and reins, proceeds according to rule and measure, and follows along the wagon ruts — dwelling at the center while governing the periphery. His rhythms and degrees correspond entirely to celestial patterns and calendrical calculations. 🌿

Thirty days make a month (five-sixths of thirty), matched to the movement of the sun. The sixty hexagrams are distributed across the thirty days, with two hexagrams per day — one for daylight, one for night — and the rigid and yielding (yang hexagrams and yin hexagrams) serve as each other's outer and inner counterparts, taking turns on duty. At dawn on the first day, the Tun hexagram is on duty; at dusk, the Meng hexagram takes over. Day and night each govern one hexagram, rotating in order. Until month's end, when the sixty hexagrams are exhausted, the next month begins anew with Tun — and so the cycle repeats, like the period of the sun and moon's movements, with activity and stillness each having its own morning and evening. 🌙

In spring and summer, yang qi prevails internally; the hexagram qi moves from zi hour (midnight) to chen and si (toward late morning, symbolizing the ascent of yang). In autumn and winter, yang qi is expended externally; the hexagram qi moves from wu hour (noon) to xu and hai (toward deep night, symbolizing the retreat of yang). Reward and punishment correspond to autumn's severity and spring's generation; the shifts of darkness and light follow the alternation of cold and heat; the hexagram statements and line texts embody the principle of benevolence and righteousness, manifesting joy and anger in accordance with the seasons. Thus aligned with the four seasons, the movement of the Five Phases (Wood, Fire, Earth, Metal, Water) finds its proper order and its rightful place. 🍃

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🧠 Deep Understanding

Core Meaning 💡

The central point of this chapter: the hexagram system of the Zhou Yi is not a static set of symbols but a dynamic model of cosmic operation. Qian and Kun are the gateway and root; Kan and Li are the mechanism of motion; the sixty hexagrams are the fine gradations along the axis of time — the entire system depicts the rhythmic unfolding of "the alternation of yin and yang is what is meant by the Dao."

Wei Boyang captures the key in five characters: "dwell at the center to govern the outer." The Daoist notion of wu wei (non-action) is not about doing nothing, but about grasping the fundamental principle from the center, like a charioteer, and letting external things follow their own rhythms. The rotation of the hexagram sequence, the waxing and waning of sun and moon, the succession of the four seasons — all are essentially the same rhythm manifesting at different levels. ⛰

Modern Interpretation 🌟

The greatest insight this passage offers modern readers is this: the world is not chaotic and disordered — it has rhythm and periodicity. The ancient conception of time is not "clock time" but "rhythmic time" — each day, each month, each season carries a different hexagram on duty, meaning every stretch of time has its own particular "temperament" and "appropriate activities."

This resonates with the modern concept of "rhythm management" in time management studies: rather than forcing oneself to maintain the same state at all times, one should flow with the rhythms of one's own body and environment — moving when it is time to move, resting when it is time to rest. Nurturing the inner in spring and summer, expending outward in autumn and winter — a year requires both expansion and contraction for longevity. A great deal of contemporary anxiety stems from expecting life to behave like "uniform linear motion," when life itself is a "circular motion." 🌊

Worldly Wisdom and Disposition ⚡

• Knowing the season and holding one's position: Every stage has its "hexagram" on duty — one could say, every situation has its inherent demands and rhythm. Wisdom does not lie in forcibly breaking through, but in recognizing "what season it is now" and doing what is appropriate.
• Centered governance of the outer: Rather than attempting to control all external variables, better to return to one's own "center" — holding fast to fundamental principles and inner steadiness. External matters will then unfold along their natural rhythms. This is the most pragmatic understanding of wu wei: not non-doing, but exerting force from the core. 🌱
• The outer-inner of rigid and yielding: Day and night each have their hexagram, rigid and yielding serving as inner and outer counterparts — this reminds us that no state is purely singular. By day, the outer aspect actively strives (rigid), yet the inner aspect must retain a measure of yielding awareness. By night, the outer aspect rests quietly (yielding), yet within, yang energy is still at work repairing and generating. The same applies to character — whether outwardly firm and inwardly soft, or outwardly soft and inwardly firm, one must have both surface and depth; neither can be neglected.

Philosophical Reflection 🤔

This passage contains a profound cosmological insight: natural law is not something external to things called a "rule" — it is the rhythm inherent in things themselves. Hexagrams are not "divination tools" but names and markers for the rhythms of nature. This bears a remarkable resemblance to modern science describing natural laws through mathematical formulae — the difference being that the Zhou Yi employs a system of "images and numbers," emphasizing the interrelationships within change rather than precise quantitative prediction.

Another point worthy of deep consideration: "Cycle" does not mean "repetition." Each month begins anew with the Tun hexagram, but the overall context in which the next month's Tun operates is already different (the seasons are shifting, the years are advancing, events are changing). This suggests that the Daoist notion of "returning to the source" is not a simple return to the origin, but rather arriving at a new starting point through an ascending spiral. 🤔

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📚 Related Knowledge

• Related Concepts:

  • Na Jia: The system of pairing the Ten Heavenly Stems (甲, 乙, 丙, 丁…) with the Eight Trigrams, used to describe the correspondence between lunar phases and the movement of hexagram qi. Although this chapter does not explicitly mention Na Jia, "the month has five or six divisions, the warp and weft obeying the sun's command" forms the foundation of the Na Jia method.
  • Hexagram Qi Theory: The core theory of Han dynasty Yijing studies, pairing the sixty-four hexagrams with the four seasons, the twelve months, the twenty-four solar terms, and the seventy-two pentads, using the waxing and waning of yin and yang in the lines to represent the rhythm of climate and phenology.
  • The Order of Tun and Meng: The sequence of the sixty-four hexagrams in the Zhou Yi begins with Qian and Kun, immediately followed by Tun and Meng. Tun symbolizes the difficulty of all beginnings; Meng symbolizes the obscurity awaiting enlightenment — that Tun and Meng begin each month at dawn is profoundly meaningful: every beginning arises from the difficulty of birth and the enlightenment of learning.

• Further Reading:

  • Zhou Yi · Great Commentary (Xici), Part I, Chapter 1: "Heaven is honored and earth is humble; Qian and Kun are thus determined… Activity and stillness have their constancy; rigidity and flexibility are thereby defined" — this is the source of this chapter's "rigid and yielding as inner and outer."
  • Daode Jing, Chapter 5: "Between heaven and earth, is it not like a bellows? Empty yet not exhausted; the more it moves, the more it produces" — the direct origin of this chapter's "used as a bellows."
  • Later sections of the Zhou Yi Cantong Qi discussing "Na Jia" and the "twelve sovereign hexagrams" may be consulted in conjunction with this chapter.

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This content is based on Daoist classical texts and is offered solely for the study of traditional culture and personal life reflection. It does not constitute religious, medical, or investment advice.