Genesis 22:12-13

12He said, “Do not stretch out your hand against the lad, and do nothing to him; for now 1I know that you 2fear God, since you have not withheld 3your son, your only son, from Me.”

13Then Abraham raised his eyes and looked, and behold, behind him a ram caught in the thicket by his horns; and Abraham went and took the ram and offered him up for a burnt offering in the place of his son.