The Three Destinies — Heaven, Earth, Man
三命總論
Original Text 原文
夫三命者,天命、地命、人命也。 天命者,歲月日時之干支,稟天地五行之氣以生者也。 地命者,所居方位,山川風水,地氣厚薄之所關也。 人命者,人事修為,積善積惡,後天之造化也。 三命合一,方見窮通壽夭之全局。 蓋人之生也,受天地之氣而成形,稟陰陽之理而成性。 年為根,月為苗,日為花,時為果。 四柱排定,五行分佈,方可論其貴賤貧富、壽夭窮通。 然命之為物,非一端可盡。 有正格、有外格、有雜格。 正格以月令用神為主,外格以特殊構造為貴,雜格則參差不齊,各有取法。 學者當先明三命之旨,然後逐一究之,方不致偏廢。
Translation 譯文
The Three Destinies are: Heaven Destiny, Earth Destiny, and Human Destiny.
Heaven Destiny refers to the Heavenly Stems and Earthly Branches of the year, month, day, and hour — the Qi of the Five Elements received from Heaven and Earth at the moment of birth.
Earth Destiny pertains to one's geographical position — the mountains, rivers, and Feng Shui of one's dwelling, and the thickness or thinness of the Earth Qi that influences one's life.
Human Destiny involves personal cultivation and conduct — the accumulation of virtue or vice, the post-natal transformations shaped by human effort.
Only when the Three Destinies are unified can one perceive the full picture of prosperity and poverty, longevity and early death.
When a person is born, they receive the Qi of Heaven and Earth to form their body, and inherit the principles of Yin and Yang to shape their nature. The Year Pillar is the root, the Month Pillar is the stem, the Day Pillar is the flower, and the Hour Pillar is the fruit. Once the Four Pillars are arranged and the Five Elements distributed, one may discuss nobility and lowliness, wealth and poverty, longevity and brevity.
Yet destiny as a subject cannot be exhausted by a single approach. There are Regular Formations (Zheng Ge), External Formations (Wai Ge), and Mixed Formations (Za Ge). Regular Formations take the Month Decree's Useful God as their ruler; External Formations derive nobility from special structural configurations; Mixed Formations are uneven and each requires its own method of analysis. The student must first comprehend the meaning of the Three Destinies, then investigate each one in detail, so as not to neglect any dimension.
Key Concepts 核心概念
- Three Destinies (三命)
- The tripartite framework of Heaven Destiny (天命, natal chart), Earth Destiny (地命, Feng Shui environment), and Human Destiny (人命, personal cultivation). This holistic model insists that fate analysis requires all three dimensions.
- Four Pillars as Plant (年根月苗日花時果)
- The organic metaphor: Year is the root (ancestry), Month is the stem (parents and early life), Day is the flower (self and spouse), Hour is the fruit (children and legacy). This analogy reveals the developmental arc encoded in a BaZi chart.
- Regular Formation (正格)
- The standard method of BaZi analysis: identifying the Useful God (用神) from the Month Decree (月令). The Month Branch reveals which element dominates the season, and the chart is read in relation to this dominant force.
- External Formation (外格)
- Non-standard chart structures — such as Follow (從格), Transformation (化格), or special combinations — where the normal Useful God method does not apply and the chart's power lies in an unusual configuration.
Commentary 評注
This opening chapter establishes the philosophical foundation of the entire San Ming Tong Hui. By defining the Three Destinies, Wan Minying positions BaZi within a larger cosmological framework that includes Feng Shui (Earth Destiny) and moral cultivation (Human Destiny). This prevents the reductive error of treating the natal chart as the sole determinant of a person's fate.
The plant metaphor (root-stem-flower-fruit) is one of the most enduring images in BaZi pedagogy. It reminds the practitioner that the Four Pillars are not merely time markers but represent an organic, developmental sequence. The Year Pillar, as the root, carries the deepest ancestral Qi; the Hour Pillar, as the fruit, represents the outcome and legacy of a life.
Wan Minying's insistence on distinguishing Regular, External, and Mixed Formations at the outset reflects his encyclopaedic ambition. He warns against one-size-fits-all analysis, a criticism implicitly directed at practitioners who apply the Month Decree method mechanically without considering whether the chart's structure warrants a different approach.
The concept of Human Destiny (人命) is particularly significant. By including personal effort and moral conduct as a variable, the text resists fatalism — a philosophical stance shared with Confucian self-cultivation traditions. Destiny is not fixed; it is a field of potentialities shaped by Heaven, Earth, and the individual's own choices.
Source: San Ming Tong Hui (三命通會), Chapter 1 — Three Destinies General Discussion.