臨 → 革
Hexagram 19: Approach → Hexagram 49: Revolution
Changing Lines
This transformation involves 4 changing lines (lines 2, 3, 4, 5).
Line 2
九二 咸臨吉。无不利。
Nine in the second place means: Joint approach. Good fortune. Everything furthers.
Line 3
六三 甘臨。无攸利。既憂之。无咎。
Six in the third place means: Comfortable approach. Nothing that would further. If one is induced to grieve over it, One becomes free of blame.
Line 4
六四 至臨。无咎。
Six in the fourth place means: Complete approach. No blame.
Line 5
六五 知臨。大君之宜。吉。
Six in the fifth place means: Wise approach. This is right for a great prince. Good fortune.
Trigram Changes
Yilin Verse
龍門砥柱，通利水道；百川順流，民安其居。
Dragon Gate and the Dizhu rock clear the waterways; a hundred rivers flow in order -- the people dwell in peace.
— Jiao Yanshou, Yilin (Forest of Changes), 1st century BCE
Commentary
Earth above the lake meets fire within the lake — Revolution's transformative power. Dragon Gate and Dizhu — Yu the Great carved these gorges to open the waterways. A hundred rivers flow in proper course, and the people dwell in peace. Dragon Gate is the gorge where fish leap to become dragons; Dizhu is the pillar-rock in the Yellow River's rapids. Both were obstacles that Yu removed through heroic engineering, transforming chaos into navigable order. From Approach to Revolution, the lake's gentle oversight gives way to radical reshaping. Fire within the lake is the revolutionary force that remakes the calendar and the landscape alike. Yu's waterworks did not merely fix a problem — they restructured the world, redirecting the flow of civilization itself.
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