蹇 → 革
Hexagram 39: Obstruction → Hexagram 49: Revolution
䷦
蹇
Obstruction
Water / Mountain
→
䷰
革
Revolution
Lake / Fire
Changing LinesStable Lines
Changing Lines
This transformation involves 2 changing lines (lines 1, 4).
Trigram Changes
Upper TrigramWater → LakeThe Deep → The Joyous
Lower TrigramMountain → FireKeeping Still → The Clinging
Yilin Verse
折挺舂稷，君不得食。頭痒搔跟，无益於疾。
The pestle breaks while pounding millet; the lord does not get to eat. Scratching the heel when the head itches; it does nothing for the ailment.
— 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