Hexagram 21 噬嗑 changing to hexagram 16 豫
Changing lines (counted from the bottom): 1, 6.
What to read
Two changing lines: read both line texts of the original hexagram; the upper one is the main one. (Rule set out by Zhu Xi in the Yixue qimeng.)
Hexagram 21 噬嗑, line 6
何校滅耳，凶。
The sixth line, undivided, shows one wearing the cangue, and deprived of his ears. There will be evil.
Hexagram 21 噬嗑, line 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.
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 16 豫 — judgment
利建侯行師。
Yü indicates that, (in the state which it implies), feudal princes may be set up, and the hosts put in motion, with advantage.
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. |
| 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.