Hebrews 11:11

Faith made even Sarah herself able to have a child, although she was past the time of life for it, because she thought, that he who had made the promise would keep it.

Hebrews 10:23

Let us hold unwaveringly to the hope that we profess, for he who has given us his promise may be trusted.

Luke 1:36

And your relative, Elizabeth, although she is old, is going to give birth to a son, and this is the sixth month with her who was said to be barren.

Romans 4:20-21

He did not incredulously question God's promise, but his faith gave him power and he praised God

1 Peter 3:5-6

It was in that way in ancient times that those pious women who set their hopes on God made themselves attractive. They were submissive to their husbands,

Treasury of Scripture Knowledge

Summary

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.

Bible References

Sara

Luke 1:36
And your relative, Elizabeth, although she is old, is going to give birth to a son, and this is the sixth month with her who was said to be barren.
1 Peter 3:5
It was in that way in ancient times that those pious women who set their hopes on God made themselves attractive. They were submissive to their husbands,

Because

Hebrews 10:23
Let us hold unwaveringly to the hope that we profess, for he who has given us his promise may be trusted.
Romans 4:20
He did not incredulously question God's promise, but his faith gave him power and he praised God