Romans 4:17-20

MKJV(i) 17 (as it has been written, "I have made you a father of many nations") --before God, whom he believed, who makes the dead live, and calls the things which do not exist as though they do exist. 18 For he who beyond hope believed on hope for him to become the father of many nations (according to that which was spoken, "So your seed shall be"). 19 And not being weak in faith, he did not consider his own body already dead (being about a hundred years old) or the deadening of Sarah's womb. 20 He did not stagger at the promise of God through unbelief, but was strong in faith, giving glory to God,