Hexagram 18 蠱 changing to hexagram 16 豫
Changing lines (counted from the bottom): 2, 3, 4, 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 16 豫, line 1
鳴豫，凶。
The first line, divided, shows its subject proclaiming his pleasure and satisfaction. There will be evil.
Hexagram 16 豫, line 5
貞疾，恆不死。
The fifth line, divided, shows one with a chronic complaint, but who lives on without dying.
The two hexagrams
Hexagram 18 蠱 — judgment
元亨。利涉大川。先甲三日，後甲三日。
Kû indicates great progress and success (to him who deals properly with the condition represented by it). There will be advantage in (efforts like that of) crossing the great stream. (He should weigh well, however, the events of) three days before the turning point, and those (to be done) three days after it.
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 18
| Line | Chinese | Legge |
|---|---|---|
| 2 | 幹母之蠱，不可貞。 | The second line, undivided, shows (a son) dealing with the troubles caused by his mother. He should not (carry) his firm correctness (to the utmost). |
| 3 | 幹父之蠱，小有悔，无大咎。 | The third line, undivided, shows (a son) dealing with the troubles caused by his father. There may be some small occasion for repentance, but there will not be any great error. |
| 4 | 裕父之蠱，往見吝。 | The fourth line, divided, shows (a son) viewing indulgently the troubles caused by his father. If he go forward, he will find cause to regret it. |
| 6 | 不事王侯，高尚其事。 | The sixth line, undivided, shows us one who does not serve either king or feudal lord, but in a lofty spirit prefers (to attend to) his own affairs. |
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.