Exodus 12 23
For the Lord will pass through to strike the Egyptians; but when He sees the blood on the lintel and on the two doorposts, the Lord will pass over the door and will not allow the destroyer to come in to your houses to strike you.
For the Lord will pass through to strike the Egyptians; but when He sees the blood on the lintel and on the two doorposts, the Lord will pass over the door and will not allow the destroyer to come in to your houses to strike you.