But every first offspring of a donkey you shall redeem with a lamb. And if you do not redeem it, then you shall break its neck, and all the firstborn of man among your sons you shall redeem.
And when Pharaoh stubbornly refused to let us go, the Lord killed all the firstborn in the land of Egypt, both the firstborn of man, and the firstborn of beast. Therefore, I sacrifice to the Lord the first male offspring of every womb, but all the firstborn of my sons I redeem.’