Romans 4:20-24

20But he did not doubt or waver in unbelief concerning the promise of God, but he grew strong and empowered by faith, giving glory to God,

21being fully convinced that God had the power to do what He had promised.

22Therefore his faith was credited to him as righteousness (right standing with God).

23Now not for his sake alone was it written that it was credited to him,

24but for our sake also—to whom righteousness will be credited, as those who believe in Him who raised Jesus our Lord from the dead—