20 You shall eat nothing leavened. In all your habitations you shall eat unleavened bread.’”
21 Then Moses called for all the elders of Israel, and said to them, “Draw out, and take lambs according to your families, and kill the Passover.
22 You shall take a bunch of hyssop, and dip it in the blood that is in the basin, and strike the lintel and the two door posts with the blood that is in the basin; and none of you shall go out of the door of his house until the morning.
23 For the Lord will pass through to strike the Egyptians; and when he sees the blood on the lintel, and on the two door posts, the Lord will pass over the door, and will not allow the destroyer to come in to your houses to strike you.
24 You shall observe this thing for an ordinance to you and to your sons forever.
25 It shall happen when you have come to the land which the Lord will give you, according as he has promised, that you shall keep this service.
26 It will happen, when your children ask you, ‘What do you mean by this service?’