20. Ye shall eat nothing leavened: in all your dwellings shall ye eat unleavened bread.
21. And Moses called all the elders of Israel, and said to them, Seize and take yourselves lambs for your families, and kill the passover.
22. And take a bunch of hyssop, and dip it in the blood that is in the bason, and smear the lintel and the two door-posts with the blood that is in the bason; and none of you shall go out of the door of his house until the morning.