Exodus 12:24-27

24You must observe this event as an ordinance for you and for your children forever.

25When you enter the land that the Lord will give to you, just as he said, you must observe this ceremony.

26When your children ask you, ‘What does this ceremony mean to you?’ –

27then you will say, ‘It is the sacrifice of the Lord’s Passover, when he passed over the houses of the Israelites in Egypt, when he struck Egypt and delivered our households.’” The people bowed down low to the ground,