履 → 蠱
Hexagram 10: Treading → Hexagram 18: Work on the Decayed
䷉
履
Treading
Heaven / Lake
→
䷑
蠱
Work on the Decayed
Mountain / Wind
Changing LinesStable Lines
Changing Lines
This transformation involves 4 changing lines (lines 1, 3, 4, 5).
Trigram Changes
Upper TrigramHeaven → MountainThe Creative → Keeping Still
Lower TrigramLake → WindThe Joyous → The Gentle
Yilin Verse
齊景惑疑，為孺子牛；嫡庶不明，賊孽為患。
Duke Jing of Qi was confused and bewildered; he played the ox for the child. Legitimate and bastard lines unclear; treacherous offspring bring calamity.
— 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