頤 → 大壯
Hexagram 27: Nourishment → Hexagram 34: Great Power
䷚
頤
Nourishment
Mountain / Thunder
→
䷡
大壯
Great Power
Thunder / Heaven
Changing LinesStable Lines
Changing Lines
This transformation involves 4 changing lines (lines 2, 3, 4, 6).
Trigram Changes
Upper TrigramMountain → ThunderKeeping Still → The Arousing
Lower TrigramThunder → HeavenThe Arousing → The Creative
Yilin Verse
江河淮海，盈溢為害。邑被其瀨，年困無歲。
Yangtze, Yellow River, Huai, and sea; brimming over, they bring calamity. The town is inundated by rapids; the year is blighted, no harvest to count.
— Jiao Yanshou, Yilin (Forest of Changes), 1st century BCE
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