Genesis 22:8-10

Young's Literal Translation

⁸ and Abraham saith, `God doth provide for Himself the lamb for a burnt-offering, my son;' and they go on both of them together.

⁹ And they come in unto the place of which God hath spoken to him, and there Abraham buildeth the altar, and arrangeth the wood, and bindeth Isaac his son, and placeth him upon the altar above the wood;

¹⁰ and Abraham putteth forth his hand, and taketh the knife -- to slaughter his son.