Hexagram 18 蠱 changing to hexagram 63 既濟
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 63 既濟, line 3
高宗伐鬼方，三年克之，小人勿用。
The third line, undivided, (suggests the case of) Kao Sung who attacked the Demon region, but was three years in subduing it. Small men should not be employed (in such enterprises).
Hexagram 63 既濟, line 4
繻有衣袽，終日戒。
The fourth line, divided, shows its subject with rags provided against any leak (in his boat), and on his guard all day long.
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 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.
The changing lines of hexagram 18
| Line | Chinese | Legge |
|---|---|---|
| 1 | 幹父之蠱，有子考，无咎，厲終吉。 | The first line, divided, shows (a son) dealing with the troubles caused by his father. If he be an (able) son, the father will escape the blame of having erred. The position is perilous, but there will be good fortune in the end. |
| 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). |
| 5 | 幹父之蠱，用譽。 | The fifth line, divided, shows (a son) dealing with the troubles caused by his father. He obtains the praise of using (the fit instrument for his work). |
| 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.