³ And Abraham named their son Isaac.

¹⁹ But God replied, “No—Sarah, your wife, will give birth to a son for you. You will name him Isaac,^[a] and I will confirm my covenant with him and his descendants as an everlasting covenant.

⁷ Being descendants of Abraham doesn’t make them truly Abraham’s children. For the Scriptures say, “Isaac is the son through whom your descendants will be counted,”^[a] though Abraham had other children, too.

⁶ And Sarah declared, “God has brought me laughter.^[a] All who hear about this will laugh with me.

¹⁸ even though God had told him, “Isaac is the son through whom your descendants will be counted.”^[a]

³ But I took your ancestor Abraham from the land beyond the Euphrates and led him into the land of Canaan. I gave him many descendants through his son Isaac.

⁸ “God also gave Abraham the covenant of circumcision at that time. So when Abraham became the father of Isaac, he circumcised him on the eighth day. And the practice was continued when Isaac became the father of Jacob, and when Jacob became the father of the twelve patriarchs of the Israelite nation.

² “Take your son, your only son—yes, Isaac, whom you love so much—and go to the land of Moriah. Go and sacrifice him as a burnt offering on one of the mountains, which I will show you.”

¹² But God told Abraham, “Do not be upset over the boy and your servant. Do whatever Sarah tells you, for Isaac is the son through whom your descendants will be counted.