Genesis 22:1-2

American Standard Version

22 And it came to pass after these things, that God did prove Abraham, and said unto him, Abraham; and he said, Here am I. ² And he said, Take now thy son, thine only son, whom thou lovest, even Isaac, and get thee into the land of Moriah; and offer him there for a burnt-offering upon one of the mountains which I will tell thee of.