And God said, This, is the sign of the covenant which I am granting betwixt me and you, and every living soul that is with you,—to age-abiding generations:—
Then shall the blood serve you for a sign, on the houses wherein ye are, then will I behold the blood, and will pass over you,—and there shall be among you no plague to destroy, when I smite the laud of Egypt.
Now, therefore I pray you, swear unto me by Yahweh, since I have dealt with you in lovingkindness, that, ye also, will deal with the house of my father in lovingkindness, and will give me a token of faithfulness,