夬 → 豫
Hexagram 43: Breakthrough → Hexagram 16: Enthusiasm
䷪
夬
Breakthrough
Lake / Heaven
→
䷏
豫
Enthusiasm
Thunder / Earth
Changing LinesStable Lines
Changing Lines
This transformation involves 4 changing lines (lines 1, 2, 3, 5).
Trigram Changes
Upper TrigramLake → ThunderThe Joyous → The Arousing
Lower TrigramHeaven → EarthThe Creative → The Receptive
Yilin Verse
月趍日步，周遍次舍。歷險致遠，无有難處。
Moon by month and sun by day, circling through each lodge in turn. Traversing danger to reach the far; nowhere too difficult to pass.
— 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