Hexagram 18 蠱 changing to hexagram 40 解
Changing lines (counted from the bottom): 3, 4, 6.
What to read
Three changing lines: read the judgments of the original and the resulting hexagram; the original is the main one. (Rule set out by Zhu Xi in the Yixue qimeng.)
Judgment of hexagram 18 蠱
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.
Judgment of hexagram 40 解
利西南，无所往，其來復吉。有攸往，夙吉。
In (the state indicated by) Kieh advantage will be found in the south-west. If no (further) operations be called for, there will be good fortune in coming back (to the old conditions). If some operations be called for, there will be good fortune in the early conducting of them.
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 40 解 — judgment
利西南，无所往，其來復吉。有攸往，夙吉。
In (the state indicated by) Kieh advantage will be found in the south-west. If no (further) operations be called for, there will be good fortune in coming back (to the old conditions). If some operations be called for, there will be good fortune in the early conducting of them.
The changing lines of hexagram 18
| Line | Chinese | Legge |
|---|---|---|
| 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.