Genesis 18:11

By faith Sarah herself received power to conceive, even when she was past the age, because she considered him faithful who had promised.

But they had no child, because Elizabeth was barren, and they were both well advanced in years.

And Zechariah said to the angel, "How shall I know this? For I am an old man, and my wife is well advanced in years."

And behold, your relative Elizabeth in her old age has also conceived a son; and this is the sixth month with her who was called barren.

In hope, he believed against hope, so that he became the father of many nations; as he had been told, "So shall your descendants be."

He considered that God was able to raise men even from the dead; from which, figuratively speaking, he did receive him back.

Treasury of Scripture Knowledge

Now Abraham and Sarah were old and well stricken in age; and it ceased to be with Sarah after the manner of women.

But they had no child, because Elizabeth was barren, and they were both well advanced in years.

In hope, he believed against hope, so that he became the father of many nations; as he had been told, "So shall your descendants be."

By faith Sarah herself received power to conceive, even when she was past the age, because she considered him faithful who had promised.