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 see, your relative Elizabeth--she also has conceived a son in her old age; and this is the sixth month with her who was called barren.
1 Peter 3:5
For in ancient times also this was the way the holy women who set their hopes upon God used to adorn themselves, being submissive to their husbands.

Because

Hebrews 10:23
Let us hold firmly to an unflinching avowal of our hope, for He is faithful who gave us the promises.
Romans 4:20
Nor did he in unbelief stagger at God's promise, but became mighty in faith, giving glory to God,