Thematic Bible: Consecration of the firstborn

And when your son asks you {in the future}, saying, 'What [is] this?' you will say to him, 'With strength of hand Yahweh brought us out from Egypt, from a house of slaves. And when Pharaoh was stubborn to release us, Yahweh killed every firstborn in the land of Egypt, from firstborn human to firstborn domestic animal. Therefore I [am] sacrificing to Yahweh every first offspring of a womb, the males, and every firstborn of my sons I redeem.' And it will be as a sign on your hand and as symbolic ornaments between your eyes that with strength of hand Yahweh brought us out from Egypt."