But the blood will be for you as a sign in the buildings where you will be. And I will see the blood, and I will pass over you. And the plague will not be with you to destroy, when I strike the land of Egypt.
Therefore, it will be like a sign in your hand and like something hanging between your eyes as a remembrance, because with a strong hand the Lord has led us away from Egypt."
Now, therefore, swear to me by the Lord that in the same way that I have acted with mercy toward you, so also shall you act toward the house of my father. And may you give me a true sign