Romans 4:17-19

Williams(i) 17 as the Scripture says, "I have made you the father of many nations." That is, the promise is in force in the sight of God in whom he put his faith, the God who can bring the dead to life and can call to Himself the things that do not exist as though they did. 18 Abraham, building on hope in spite of hopeless circumstances, had faith, and so he actually became the father of many nations, just as it had been told him, "So numberless shall your descendants be." 19 Because he never weakened in faith, he calmly contemplated his own vital powers as worn out (for he was about one hundred years old) and the inability of Sarah to bear a child,