豫 → 蒙
Hexagram 16: Enthusiasm → Hexagram 4: Youthful Folly
䷏
豫
Enthusiasm
Thunder / Earth
→
䷃
蒙
Youthful Folly
Mountain / Water
Changing LinesStable Lines
Changing Lines
This transformation involves 3 changing lines (lines 2, 4, 6).
Trigram Changes
Upper TrigramThunder → MountainThe Arousing → Keeping Still
Lower TrigramEarth → WaterThe Receptive → The Deep
Yilin Verse
典冊法書，藏在蘭臺；雖遭亂潰，獨不遇災。
An old well sealed with moss, but the stele inscription endures. A child who cannot read it makes a rubbing — and so it is passed down.
— 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