Hexagram 21 噬嗑 changing to hexagram 31 咸
Changing lines (counted from the bottom): 1, 3, 5, 6.
What to read
Four changing lines: read the two unchanged lines of the resulting hexagram; the lower one is the main one. (Rule set out by Zhu Xi in the Yixue qimeng.)
Hexagram 31 咸, line 2
咸其腓，凶，居吉。
The second line, divided, shows one moving the calves of his leg. There will be evil. If he abide (quiet in his place), there will be good fortune.
Hexagram 31 咸, line 4
貞吉悔亡，憧憧往來，朋從爾思。
The fourth line, undivided, shows that firm correctness which will lead to good fortune, and prevent all occasion for repentance. If its subject be unsettled in his movements, (only) his friends will follow his purpose.
The two hexagrams
Hexagram 21 噬嗑 — judgment
亨。利用獄。
Shih Ho indicates successful progress (in the condition of things which it supposes). It will be advantageous to use legal constraints.
Hexagram 31 咸 — judgment
亨。利貞。取女吉。
Hsien indicates that, (on the fulfilment of the conditions implied in it), there will be free course and success. Its advantageousness will depend on the being firm and correct, (as) in marrying a young lady. There will be good fortune.
The changing lines of hexagram 21
| Line | Chinese | Legge |
|---|---|---|
| 1 | 屨校滅趾，无咎。 | The first line, undivided, shows one with his feet in the stocks and deprived of his toes. There will be no error. |
| 3 | 噬昔肉，遇毒；小吝，无咎。 | The third line, divided, shows one gnawing dried flesh, and meeting with what is disagreeable. There will be occasion for some small regret, but no (great) error. |
| 5 | 噬乾肉，得黃金，貞厲，无咎。 | The fifth line, divided, shows one gnawing at dried flesh, and finding the yellow gold. Let him be firm and correct, realising the peril (of his position). There will be no error. |
| 6 | 何校滅耳，凶。 | The sixth line, undivided, shows one wearing the cangue, and deprived of his ears. There will be evil. |
English: James Legge (1882), public domain. Chinese: Zhou Yi.
Data: English Wikisource (Public domain texts; transcription CC BY-SA 4.0); Chinese Wikisource (Public domain texts; transcription CC BY-SA 4.0). Retrieved 2026-10-22.