Hexagram 18 蠱 changing to hexagram 26 大畜
Changing line (counted from the bottom): 1.
What to read
One changing line: read the text of that line in the original hexagram. (Rule set out by Zhu Xi in the Yixue qimeng.)
Hexagram 18 蠱, line 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.
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 26 大畜 — judgment
利貞，不家食吉，利涉大川。
Under the conditions of Tâ Khû it will be advantageous to be firm and correct. (If its subject do not seek to) enjoy his revenues in his own family (without taking service at court), there will be good fortune. It will be advantageous for him to cross the great stream.
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. |
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.