Exodus 13:1-3

World English Bible

13 Yahweh spoke to Moses, saying, ² “Sanctify to me all the firstborn, whatever opens the womb among the children of Israel, both of man and of animal. It is mine.”

³ Moses said to the people, “Remember this day, in which you came out of Egypt, out of the house of bondage; for by strength of hand Yahweh brought you out from this place. No leavened bread shall be eaten.