13 And the blood shall be to you for a token upon the houses where ye are; and when I see the blood, I will pass over you; and there shall be no plague against you to destroy, when I smite others in the land of Egypt.
Exodus 12:13 Cross References - Leeser
Genesis 17:11
11 And ye shall circumcise the flesh of your foreskin; and this shall serve as the token of the covenant between me and you.
Exodus 12:23
23 And the Lord will pass through to smite the Egyptians; and when he seeth the blood upon the lintel, and on the two side-posts, the Lord will pass over the door, and will not suffer the destroyer to come in unto your houses to smite.
Joshua 2:12
12 And now swear, I pray you, unto me by the Lord, because I have shown you kindness, that ye will also, for your part, show kindness, unto my father’s house; and give me a sure token,