需 → 革
Hexagram 5: Waiting → Hexagram 49: Revolution
䷄
需
Waiting
Water / Heaven
→
䷰
革
Revolution
Lake / Fire
Changing LinesStable Lines
Changing Lines
This transformation involves 2 changing lines (lines 2, 4).
Trigram Changes
Upper TrigramWater → LakeThe Deep → The Joyous
Lower TrigramHeaven → FireThe Creative → The Clinging
Yilin Verse
昧旦乘車，履危蹈溝。亡失裙襦，摧折兩軸。
Setting out in darkness by carriage; treading danger, falling into ditches. Losing skirt and tunic; both axles snap and break.
— 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