震 → 隨
Hexagram 51: The Arousing Thunder → Hexagram 17: Following
Changing Lines
This transformation involves 1 changing line (line 5).
Line 5
六五 震往來厲。意无喪有事。
Six in the fifth place means: Shock goes hither and thither. Danger. However, nothing at all is lost. Yet there are things to be done.
Trigram Changes
Yilin Verse
江河淮海，天之奧府。眾利所聚，可以富有，好樂喜友。
Rivers, streams, the Huai, the sea — heaven's deep storehouse. Where all profits gather; one may grow wealthy therein, delighting in friendship and joy.
— Jiao Yanshou, Yilin (Forest of Changes), 1st century BCE
Commentary
Thunder doubled meets lake over thunder: shock finds companionship in following. Rivers, streams, the Huai, the sea — these are heaven's hidden storehouses. Where all profit gathers, one may grow wealthy; there is friendship and shared delight. The great waterways of ancient China — the Yangtze, Yellow River, Huai, and sea — represented both natural abundance and commercial networks. The verse celebrates the convergence of resources as a source of joy and community. From The Arousing to Following, thunder rests beneath the lake, yielding initiative for a season. The dynamic reverses: instead of asserting, one goes where the current leads. Wealth accumulates not through force but through the receptivity of following natural flows to their gathering point.
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