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Heavenly Stem Combinations: From Hetu-Luoshu to Astronomical Conjectures

Heavenly Stem Five Combinations are one of the most foundational yet enigmatic doctrines in Chinese metaphysics. This article takes readers through the math of Hetu, the astronomical correspondences, and various schools’ conjectures to show how the doctrine reflects a cosmic rhythm.

January 28, 2026 7 min read PDF Markdown

2. Yi-Geng: Benevolent Righteousness

Imagery: pruning plants. Geng Metal is scissors; Yi Wood is a bonsai.
Personality: a blend of strength and grace, decisive yet loyal.
Shadow: without integrity, it can turn ruthless or indecisive (Yi constrains Geng’s action).
Relationships: often structured by discipline or conquest.