19 God said, ^s“No, but Sarah your wife shall bear you a son, and you shall ^tcall his name Isaac.¹ I will establish my covenant with him as an everlasting covenant for his offspring after him.

10 The Lord said, ^e“I will surely return to you about this time next year, and ^fSarah your wife shall have a son.” ^gAnd Sarah was listening at the tent door behind him.