Exodus 12:23-25

Wycliffe Bible

²³ For the Lord shall pass [forth] smiting the Egyptians; and when he shall see the blood in the lintel, and in ever either post (and when he shall see the blood on the lintel, and on both door-posts), he shall pass (over) the door of the house; and he shall not suffer the smiter to enter into your houses, and to hurt you.

²⁴ Keep thou this word; it shall be a lawful thing to thee and to thy sons till into without end. (Do thou this thing; yea, it shall be an everlasting rite for thee and for thy sons.)

²⁵ And when ye shall enter into the land which the Lord shall give to you, as he promised, ye shall keep these ceremonies;