Hexagram 42 益 changing to hexagram 21 噬嗑
Changing lines (counted from the bottom): 4, 5.
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 42 益, line 5
有孚惠心，勿問元吉。有孚惠我德。
The fifth line, undivided, shows its subject with sincere heart seeking to benefit (all below). There need be no question about it; the result will be great good fortune. (All below) will with sincere heart acknowledge his goodness.
Hexagram 42 益, line 4
中行，告公從。利用為依遷國。
The fourth line, divided, shows its subject pursuing the due course. His advice to his prince is followed. He can with advantage be relied on in such a movement as that of removing the capital.
The two hexagrams
Hexagram 42 益 — judgment
利有攸往。利涉大川。
Yî indicates that (in the state which it denotes) there will be advantage in every movement which shall be undertaken, that it will be advantageous (even) to cross the great stream.
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.
The changing lines of hexagram 42
| Line | Chinese | Legge |
|---|---|---|
| 4 | 中行，告公從。利用為依遷國。 | The fourth line, divided, shows its subject pursuing the due course. His advice to his prince is followed. He can with advantage be relied on in such a movement as that of removing the capital. |
| 5 | 有孚惠心，勿問元吉。有孚惠我德。 | The fifth line, undivided, shows its subject with sincere heart seeking to benefit (all below). There need be no question about it; the result will be great good fortune. (All below) will with sincere heart acknowledge his goodness. |
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.