Three Powers

Three Powers is an interpretive scheme in the Yijing’s Appendixes that associates Heaven with yin and yang, Earth with strong and weak lines, and humanity with benevolence and righteousness. Each trigram is said to embrace these three dimensions, and its repetition produces the six-line hexagram. The scheme gives the figures a human and ethical dimension, but the translator regards it as an addition that sits uneasily beside the older Text rather than as its underlying doctrine.

The Three Dimensions of the Figures

The Appendix presents the lines through three parallel vocabularies: the way of Heaven is named yin and yang; the way of Earth, strong or hard and weak or soft; and the way of humanity, benevolence and righteousness. A trigram gathers all three, while its repetition makes the complete figure of six lines. The account therefore links the structure of the figures to a threefold order, extending their significance beyond line qualities alone.

This scheme belongs to the Appendixes, not to the Text’s own account of the figures. The translator emphasizes that the Text says nothing about the origin or formation of the lineal figures; it takes them as given. In his reconstruction, King Wen interprets each hexagram as a whole, while his son, the Duke of Zhou, explains the significance of its individual lines. The Three Powers framework is thus part of a later explanatory layer, not an explicit premise of those older interpretations.

The Translator’s Historical Qualification

The translator argues that the Text and Appendixes are separated by roughly six to seven centuries and should not be read automatically as one homogeneous work. He consequently resists treating every claim in the Appendixes as a direct statement of the original authors’ design. His distinction is not merely chronological: he finds the subject matter of the two parts often incongruous, and his separate concordances show that many characteristic terms in the Appendixes do not occur in the Text.

He places the Three Powers doctrine among the ideas that, in his view, are out of place in Confucianism. The formulation appears in a treatise on humanity, but he judges that it adds little to understanding either the older Text or the purpose of the Appendixes as a whole. Its conceptual symmetry, in this account, does not prove that the early hexagram authors were working from the same scheme.

Three Powers and Cosmological Readings

The translator distinguishes the Appendix’s language from a later cosmological interpretation of yin and yang. The names may describe qualities such as bright and dark, or admit related contrasts such as active and inactive, masculine and feminine, or hot and cold. But he questions whether the words in this passage denote an underlying primary matter that expands as yang and contracts as yin. Chinese commentators, along with Philippe Grégoire Regis and Walter Henry Medhurst, commonly assume such a doctrine; he says he finds no adequate evidence for it in the passage.

In his chronology, a developed theory of primary matter emerged in the Confucian school more than a thousand years after the Yijing was completed and did not fully take shape until the Song dynasty, in the eleventh and twelfth centuries. To read that later system back into the Appendix, he warns, is to put the last first. The author he is analyzing, he contends, is concerned with the changing phenomena of nature and experience, not with creation or cosmogony.

Ethical Implications and Limits

The framework’s human dimension appears in its pairing of humanity with benevolence and righteousness. Elsewhere, the translator discusses a moral passage that assigns the consequences of accumulated good or evil to a family and its descendants. He regards that teaching as an early expression of inherited or deferred recompense, but observes that the treatise does not answer whether the parents themselves escape the consequences. In his reading, the discussion of humanity does not resolve the moral questions it raises.

Taken together, these judgments define the translator’s cautious assessment of the Three Powers. The scheme offers a compact correspondence among the lines, the natural order, and human ethical qualities, yet he does not accept that correspondence as evidence for a primordial cosmology or as a necessary explanation of the Text. Its significance lies instead in what it reveals about the later Appendix’s effort to place humanity alongside Heaven and Earth—and in the limits of using that later formulation to explain the older classic.