Treasury of Scripture Knowledge
Through faith also Sara herself received strength to conceive seed, and was delivered of a child when she was past age, because she judged him faithful who had promised.
Then Abraham fell on his face and laughed, and said in his heart, "Will a child be born to a man one hundred years old? And will Sarah, who is ninety years old, bear a child?"
Now Abraham and Sarah were old, advanced in age; Sarah was past childbearing.
Then the LORD took note of Sarah as He had said, and the LORD did for Sarah as He had promised.
"And behold, even your relative Elizabeth has also conceived a son in her old age; and she who was called barren is now in her sixth month.
1 Peter 3:5
For in this way in former times the holy women also, who hoped in God, used to adorn themselves, being submissive to their own husbands;
Let us hold fast the confession of our hope without wavering, for He who promised is faithful;
yet, with respect to the promise of God, he did not waver in unbelief but grew strong in faith, giving glory to God,
2 Kings 4:17
The woman conceived and bore a son at that season the next year, as Elisha had said to her.