Exodus 12:24-26

New Revised Standard Version, Anglicised Catholic Edition

²⁴ You shall observe this rite as a perpetual ordinance for you and your children. ²⁵ When you come to the land that the Lord will give you, as he has promised, you shall keep this observance. ²⁶ And when your children ask you, “What do you mean by this observance?”