¹⁹ God said, “No, but your wife Sarah shall bear you a son, and you shall name him Isaac.^[a] I will establish my covenant with him as an everlasting covenant for his offspring after him.^(A)

¹¹ Now Abraham and Sarah were old, advanced in age; it had ceased to be with Sarah after the manner of women.^{(A) 12} So Sarah laughed to herself, saying, “After I have grown old, and my husband is old, shall I be fruitful?”^{(B) 13} The Lord said to Abraham, “Why did Sarah laugh and say, ‘Shall I indeed bear a child, now that I am old?’ ¹⁴ Is anything too wonderful for the Lord? At the set time I will return to you, in due season, and Sarah shall have a son.”^(C)

² Sarah conceived and bore Abraham a son in his old age, at the time of which God had spoken to him.^(A)