豫 → 既濟
Hexagram 16: Enthusiasm → Hexagram 63: After Completion
Changing Lines
This transformation involves 4 changing lines (lines 1, 3, 4, 5).
Line 1
初六 鳴豫。凶。
Six at the beginning means: Enthusiasm that expresses itself Brings misfortune.
Line 3
六三 盱豫悔。遲有悔。
Six in the third place means: Enthusiasm that looks upward creates remorse. Hesitation brings remorse.
Line 4
九四 由豫。大有得。勿疑。朋盍簪。
Nine in the fourth place means: The source of enthusiasm. He achieves great things. Doubt not. You gather friends around you As a hair clasp gathers the hair.
Line 5
六五 貞疾。恆不死。
Six in the fifth place means: Persistently ill, and still does not die.
Trigram Changes
Yilin Verse
白馬赤烏，戰於東都；天輔有德，敗悔為憂。
White horse, red crow, they battle at the eastern capital; heaven aids the virtuous -- the defeated turn to ruin and woe.
— Jiao Yanshou, Yilin (Forest of Changes), 1st century BCE
Commentary
Thunder breaks from the earth as white horses and red crows clash at the eastern capital. Heaven aids the virtuous, and the defeated side is left in regretful worry. 'White horse and red crow' may represent opposing forces — the metal-white cavalry of one kingdom against the fire-red banners of another — contesting the eastern capital, a common epithet for Luoyang. The verse implies a righteous battle in which heaven's favor determines the outcome. From Enthusiasm to After Completion, the transformation captures the moment after the decisive battle: water sits above fire in perfect but precarious balance. Victory has been achieved, yet the hexagram warns that completed order already contains the seed of its reversal. The defeated worry, but the victor should worry too.
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