兌 → 中孚
Hexagram 58: The Joyous Lake → Hexagram 61: Inner Truth
Changing Lines
This transformation involves 2 changing lines (lines 4, 6).
Line 4
九四 商兌未寧。介疾有喜。
Nine in the fourth place means: Joyousness that is weighed is not at peace. After ridding himself of mistakes a man has joy.
Line 6
上六 引兌。
Six at the top means: Seductive joyousness.
Trigram Changes
Yilin Verse
茆屋結席，崇我文德。三辰旂旗，家受行福。
A thatch-roofed house with woven mats, exalting my civil virtue. Banners of the three luminaries; the house receives traveling blessing.
— Jiao Yanshou, Yilin (Forest of Changes), 1st century BCE
Commentary
Paired lakes open to wind above the lake — Inner Truth, where sincerity penetrates even pigs and fish. From a thatched cottage with woven-rush seats, one cultivates literary virtue. Banners bearing the three celestial bodies — sun, moon, and stars — grace the household, and blessings of conduct are received. The thatched hut signals humble origins; the three-luminary banners signal cosmic recognition of that humility. From The Joyous to Inner Truth, joy is distilled into the sincerity that moves heaven. Wind upon the lake stirs the deepest waters. The scholar in the rush-woven cottage who cultivates virtue is heard by heaven precisely because no pretense intervenes — sincerity from below reaching upward like wind across open water.
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