[16] Therefore it is of faith, that it might be by grace; to the end the promise sure to all the seed; not to that only which is of the law, but to that also which is of the faith of Abraham; who the father all, [17] (As it is written, I have made a father of many nations,) before him whom he believed, even God, who quickeneth the dead, and calleth not as though [18] Who against hope believed in hope, that he might become the father of many nations, according to that which was spoken, So seed [19] And being not weak in faith, he considered his own body now dead, when he was about an hundred years old, neither yet the deadness of Sara's womb: [20] He staggered not at the promise of God through unbelief; but was strong in faith, giving glory to God;