出埃及記 12:13

這血要在你們所住的房屋上作記號；我一見這血，就越過你們去。我擊殺埃及地頭生的時候，災殃必不臨到你們身上滅你們。」

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 the plague shall not be upon you to destroy you, when I smite the land of Egypt.