And it came to pass, that when the sun had gone down, and it was dark, behold a smoking furnace, and a burning lamp that passed between those pieces.

And Isaac spoke to Abraham his father, and said, My father: and he said, here am I, my son. And he said, Behold the fire and the wood: but where is the lamb for a burnt-offering?

And Abraham said, My son, God will provide himself a lamb for a burnt-offering: so they went both of them together.