Hexagram 18 蠱 changing to hexagram 13 同人
Changing lines (counted from the bottom): 1, 2, 4, 5.
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 13 同人, line 3
伏戎于莽，升其高陵，三歲不興。
The third line, undivided, (shows its subject) with his arms hidden in the thick grass, and at the top of a high mound. (But) for three years he makes no demonstration.
Hexagram 13 同人, line 6
同人于郊，無悔。
The topmost line, undivided, (shows the representative of) the union of men in the suburbs. There will be no occasion for repentance.
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 13 同人 — judgment
同人于野，亨。 利涉大川，利君子貞。
Thung Zăn (or 'Union of men') appears here (as we find it) in the (remote districts of the) country, indicating progress and success. It will be advantageous to cross the great stream. It will be advantageous to maintain the firm correctness of the superior man.
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). |
| 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. |
| 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). |
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.