Exodus 13:2-4

New Catholic Bible

² “Consecrate each firstborn to me, whatever opens the womb in Israel, whether human or animal; it belongs to me.”

³ Moses said to the people, “Remember this day on which you came out of Egypt, your place of slavery. The Lord brought you out from there with a mighty hand. Therefore, do not eat what has been leavened. ⁴ This day you came out is in the month of Abib.