Exodus 12:13
And the blood shall be to you for a token upon the houses where all of you are: and when I see the blood, I will pass over you, and the plague shall not be upon you to destroy you, when I strike the land of Egypt.
And the blood shall be to you for a token upon the houses where all of you are: and when I see the blood, I will pass over you, and the plague shall not be upon you to destroy you, when I strike the land of Egypt.