Exodus 12:23-25

Modern English Version

²³ For the Lord will pass through to kill the Egyptians. And when He sees the blood upon the lintel and on the two side posts, the Lord will pass over the door and will not permit the destroyer to come to your houses to kill you.

²⁴ “And you shall observe this thing as an ordinance to you and to your sons forever. ²⁵ When you enter the land which the Lord will give you, according as He has promised, that you shall observe this service.