大壯 → 頤
Hexagram 34: Great Power → Hexagram 27: Nourishment
䷡
大壯
Great Power
Thunder / Heaven
→
䷚
頤
Nourishment
Mountain / Thunder
Changing LinesStable Lines
Changing Lines
This transformation involves 4 changing lines (lines 2, 3, 4, 6).
Trigram Changes
Upper TrigramThunder → MountainThe Arousing → Keeping Still
Lower TrigramHeaven → ThunderThe Creative → The Arousing
Yilin Verse
霜降閉戶，蟄虫隱處，不見日月，與死為伍。
The bear enters its cave, dry leaves for bedding. Snow seals the cave mouth — no sound from outside enters.
— Jiao Yanshou, Yilin (Forest of Changes), 1st century BCE
The Six Lines app includes all 4,096 Yilin verses, each with original ink brush artwork and full commentary. Download on the App Store