Romans 4:17-19

Darby Translation

¹⁷ (according as it is written, I have made thee father of many nations,) before the God whom he believed, who quickens the dead, and calls the things which be not as being;

¹⁸ who against hope believed in hope to his becoming father of many nations, according to that which was spoken, So shall thy seed be:

¹⁹ and not being weak in faith, he considered not his own body already become dead, being about a hundred years old, and the deadening of Sarah's womb,