Hexagram 63 既濟 changing to hexagram 18 蠱
Changing lines (counted from the bottom): 1, 2, 5, 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 18 蠱, line 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.
Hexagram 18 蠱, line 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.
The two hexagrams
Hexagram 63 既濟 — judgment
亨小。利貞。初吉終亂。
Kî Zî intimates progress and success in small matters. There will be advantage in being firm and correct. There has been good fortune in the beginning; there may be disorder in the end.
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.
The changing lines of hexagram 63
| Line | Chinese | Legge |
|---|---|---|
| 1 | 曳其輪，濡其尾，无咎。 | The first line, undivided, (shows its subject as a driver) who drags back his wheel, (or as a fox) which has wet his tail. There will be no error. |
| 2 | 婦喪其茀，勿逐，七日得。 | The second line, divided, (shows its subject as) a wife who has lost her (carriage-)screen. There is no occasion to go in pursuit of it. In seven days she will find it. |
| 5 | 東鄰殺牛，不如西鄰之禴祭，實受其福。 | The fifth line, undivided, shows its subject (as) the neighbour in the east who slaughters an ox (for his sacrifice); but this is not equal to the (small) spring sacrifice of the neighbour in the west, whose sincerity receives the blessing. |
| 6 | 濡其首，厲。 | The topmost line, divided, shows its subject with (even) his head immersed. The position is perilous. |
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.