Exodus 13:2-4

Complete Jewish Bible

² “Set aside for me all the firstborn. Whatever is first from the womb among the people of Isra’el, both of humans and of animals, belongs to me.” ³ Moshe said to the people, “Remember this day, on which you left Egypt, the abode of slavery; because Adonai, by the strength of his hand, has brought you out of this place. Do not eat hametz. ⁴ You are leaving today, in the month of Aviv.