Hebrews 11:18

So God said to Abraham, “Do not be distressed because of the boy and your maidservant; whatever Sarah tells you, listen to her voice, for through Isaac your seed shall be named.

Then they came to the place of which God had told him; and Abraham built the altar there and arranged the wood and bound his son Isaac and put him on the altar, on top of the wood.

nor are they all children because they are Abraham’s seed, but: “through Isaac your seed will be named.”

God, having spoken long ago to the fathers in the prophets in many portions and in many ways,