Hexagram 5 需 changing to hexagram 49 革
Changing lines (counted from the bottom): 2, 4.
What to read
Two changing lines: read both line texts of the original hexagram; the upper one is the main one. (Rule set out by Zhu Xi in the Yixue qimeng.)
Hexagram 5 需, line 4
需于血，出自穴。
The fourth line, divided, shows its subject waiting in (the place of) blood. But he will get out of the cavern.
Hexagram 5 需, line 2
需于沙，小有言，終吉。
The second line, undivided, shows its subject waiting on the sand (of the mountain stream). He will (suffer) the small (injury of) being spoken (against), but in the end there will be good fortune.
The two hexagrams
Hexagram 5 需 — judgment
有孚，光亨。貞吉，利涉大川。
Hsü intimates that, with the sincerity which is declared in it, there will be brilliant success. With firmness there will be good fortune; and it will be advantageous to cross the great stream.
Hexagram 49 革 — judgment
已日乃孚，元亨。利貞。悔亡。
(What takes place as indicated by) Ko is believed in only after it has been accomplished. There will be great progress and success. Advantage will come from being firm and correct. (In that case) occasion for repentance will disappear.
The changing lines of hexagram 5
| Line | Chinese | Legge |
|---|---|---|
| 2 | 需于沙，小有言，終吉。 | The second line, undivided, shows its subject waiting on the sand (of the mountain stream). He will (suffer) the small (injury of) being spoken (against), but in the end there will be good fortune. |
| 4 | 需于血，出自穴。 | The fourth line, divided, shows its subject waiting in (the place of) blood. But he will get out of the cavern. |
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.