復 → 震
Hexagram 24: Return → Hexagram 51: The Arousing Thunder
Changing Lines
This transformation involves 1 changing line (line 4).
Line 4
六四 中行獨復。
Six in the fourth place means: Walking in the midst of others, One returns alone.
Trigram Changes
Yilin Verse
猿墮高木，不踒手足。握珠懷玉，還歸我室。
An ape falls from a tall tree; it does not break hand or foot. Clutching pearls, embracing jade; it returns to its dwelling.
— Jiao Yanshou, Yilin (Forest of Changes), 1st century BCE
Commentary
Thunder returns beneath the earth and erupts as doubled thunder. An ape falls from a tall tree yet does not break its hands or feet — the agile creature absorbs the shock and lands unharmed. Clutching pearls and cradling jade, it returns safely to its den. The ape's fall is a test of resilience: the height is dangerous, but the supple body adapts to the impact. What it carries — pearls and jade, symbols of wisdom and virtue — survives the tumble intact. From Return to The Arousing, doubled thunder shakes the world. The transformation captures how shock serves the prepared: the one who has cultivated flexibility turns upheaval into opportunity, landing safely with treasures in hand while others shatter.
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