Romans 4:16-18

Young's Literal Translation

¹⁶ Because of this [it is] of faith, that [it may be] according to grace, for the promise being sure to all the seed, not to that which [is] of the law only, but also to that which [is] of the faith of Abraham,

¹⁷ who is father of us all (according as it hath been written -- `A father of many nations I have set thee,') before Him whom he did believe -- God, who is quickening the dead, and is calling the things that be not as being.

¹⁸ Who, against hope in hope did believe, for his becoming father of many nations according to that spoken: `So shall thy seed be;'