WPNT(i)
17 just as it is written: “I have made you a father of many ethnic nations” —in the presence of Him whom he believed: God, who gives life to the dead and calls the non-existent things as though they did exist.
18 Contrary to hope, Abraham in hope believed, so as to become a father of many ethnic nations, according to what had been spoken: “So shall your seed 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 deadness of Sarah’s womb.