Exodus 34:18
Context34:18 “You must keep the Feast of Unleavened Bread. For seven days 1 you must eat bread made without yeast, as I commanded you; do this 2 at the appointed time of the month Abib, for in the month Abib you came out of Egypt.
Exodus 34:25
Context34:25 “You must not offer the blood of my sacrifice with yeast; the sacrifice from the feast of Passover must not remain until the following morning. 3