Hebrews 11:11
Through faith Sarah herself also received power to conceive, 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 hope without wavering, for he is faithful who promised;
Luke 1:36
And lo! Elizabeth, thy kinswoman, she also hath conceived a son in her old age; and this is the sixth month with her who is called barren.
Romans 4:20-21
nor did he waver in respect to the promise of God through unbelief, but was strong in faith, giving glory to God;
1 Peter 3:5-6
For in this manner in the old time the holy women also, who hoped in God, adorned themselves, being in subjection to their own husbands;