⁹ For God had promised, “I will return about this time next year, and Sarah will have a son.”^[a]

¹⁰ Then one of them said, “I will return to you about this time next year, and your wife, Sarah, will have a son!”

Sarah was listening to this conversation from the tent.

¹⁴ Is anything too hard for the Lord? I will return about this time next year, and Sarah will have a son.”

²¹ But my covenant will be confirmed with Isaac, who will be born to you and Sarah about this time next year.”

² She became pregnant, and she gave birth to a son for Abraham in his old age. This happened at just the time God had said it would.

¹¹ It was by faith that even Sarah was able to have a child, though she was barren and was too old. She believed^[a] that God would keep his promise. ¹² And so a whole nation came from this one man who was as good as dead—a nation with so many people that, like the stars in the sky and the sand on the seashore, there is no way to count them.

¹⁷ It was by faith that Abraham offered Isaac as a sacrifice when God was testing him. Abraham, who had received God’s promises, was ready to sacrifice his only son, Isaac,