Hebrews 11:11

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

Hebrews 10:23

Let us hold fast the profession of our faith without wavering (for he is faithful that hath promised) And let us consider one another,

Luke 1:36

And behold thy cousin Elisabeth, she hath also conceived a son in her old age: and this is the sixth month with her who was called barren.

Romans 4:20-21

He staggered not at the promise of God through unbelief, but was strengthened in faith, giving glory to God,

1 Peter 3:5-6

For thus the holy women also of old time who trusted in God, adorned themselves,

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 behold thy cousin Elisabeth, she hath also conceived a son in her old age: and this is the sixth month with her who was called barren.
1 Peter 3:5
For thus the holy women also of old time who trusted in God, adorned themselves,

Because

Hebrews 10:23
Let us hold fast the profession of our faith without wavering (for he is faithful that hath promised) And let us consider one another,
Romans 4:20
He staggered not at the promise of God through unbelief, but was strengthened in faith, giving glory to God,