Genesis 22:5-7

New Revised Standard Version, Anglicised Catholic Edition

⁵ Then Abraham said to his young men, ‘Stay here with the donkey; the boy and I will go over there; we will worship, and then we will come back to you.’ ⁶ Abraham took the wood of the burnt-offering and laid it on his son Isaac, and he himself carried the fire and the knife. So the two of them walked on together. ⁷ Isaac said to his father Abraham, ‘Father!’ And he said, ‘Here I am, my son.’ He said, ‘The fire and the wood are here, but where is the lamb for a burnt-offering?’