Blood On The Door
Most Relevant Verses
And Jehovah will pass through to smite the Egyptians; and when he sees the blood on the lintel, and on the two door-posts, Jehovah will pass over the door, and will not suffer the destroyer to come into your houses to smite you.
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.
And the blood shall be for you as a sign on the houses in which ye are; and when I see the blood, I will pass over you; and the plague shall not be among you for destruction, when I smite the land of Egypt.