蠱 → 頤
Hexagram 18: Work on the Decayed → Hexagram 27: Nourishment
Changing Lines
This transformation involves 3 changing lines (lines 1, 2, 3).
Line 1
初六 幹父之蠱。有子。考无咎。厲終吉。
Six in the beginning means: Setting right what has been spoiled by the father. If there is a son, No blame rests upon the departed father. Danger. In the end good fortune.
Line 2
九二 幹母之蠱。不可貞。
Nine in the second place means: Setting right what has been spoiled by the mother. One must not be too persevering.
Line 3
九三 幹父之蠱。小有悔。无大咎。
Nine in the third place means: Setting right what has been spoiled by the father. There will be a little remorse. No great blame.
Trigram Changes
Yilin Verse
三河俱合，水怒踊躍；壞我王室，民困無食。
Three rivers converge together; the waters surge in fury. They wreck the royal palace -- the people are destitute and starving.
— Jiao Yanshou, Yilin (Forest of Changes), 1st century BCE
Commentary
Wind beneath the mountain unleashes floodwaters, and the transformation arrives at the mountain above thunder — the careful Nourishment of Yi. Three rivers converge and merge; the waters rage and leap. The royal house is ruined; the people are destitute and starving. Flood as metaphor for political catastrophe runs deep in Chinese tradition — Yu the Great earned his mandate by taming just such chaos. Here, the convergence of multiple crises overwhelms all defenses. From Work on the Decayed to Nourishment, the devastated must be fed before they can be reformed. The mountain's stillness above thunder's vitality represents measured sustenance: careful words, measured provisions, the discipline of rebuilding from famine rather than feast.
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