需 → 豫
Hexagram 5: Waiting → Hexagram 16: Enthusiasm
䷄
需
Waiting
Water / Heaven
→
䷏
豫
Enthusiasm
Thunder / Earth
Changing LinesStable Lines
Changing Lines
This transformation involves 5 changing lines (lines 1, 2, 3, 4, 5).
Trigram Changes
Upper TrigramWater → ThunderThe Deep → The Arousing
Lower TrigramHeaven → EarthThe Creative → The Receptive
Yilin Verse
冬無藏冰，春陽不通。陰流為賊，國被其殃。
In winter, no ice is stored; in spring, the yang cannot flow. Yin becomes a hidden thief; the state bears its ruin.
— 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