Romans 4:19-21
Read Romans 4 in full →19And without becoming weak in faith he contemplated his own body, now aas good as dead since bhe was about a hundred years old, and cthe deadness of Sarah’s womb; 20yet, with respect to the promise of God, he did not waver in unbelief but grew strong in faith, agiving glory to God, 21and abeing fully assured that bwhat God had promised, He was able also to do.