Hexagram 21 噬嗑 changing to hexagram 29 坎
Changing lines (counted from the bottom): 1, 2, 4, 5, 6.
What to read
Five changing lines: read the one unchanged line of the resulting hexagram. (Rule set out by Zhu Xi in the Yixue qimeng.)
Hexagram 29 坎, line 3
來之坎坎，險且枕，入于坎窞，勿用。
The third line, divided, shows its subject, whether he comes or goes (=descends or ascends), confronted by a defile. All is peril to him and unrest. (His endeavours) will lead him into the cavern of the pit. There should be no action (in such a case).
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 29 坎 — judgment
習坎：有孚，維心亨。行有尚。
Khan, here repeated, shows the possession of sincerity, through which the mind is. penetrating. Action (in accordance with this) will be of high value.
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. |
| 2 | 噬膚滅鼻，无咎。 | The second line, divided, shows one biting through the soft flesh, and (going on to) bite off the nose. There will be no error. |
| 4 | 噬乾胏，得金矢，利艱貞，吉。 | The fourth line, undivided, shows one gnawing the flesh dried on the bone, and getting the pledges of money and arrows. It will be advantageous to him to realise the difficulty of his task and be firm,—in which case there will be good fortune. |
| 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.