Romans 4:21

21 And being fully persuaded, that what he had promised, he was able also to perform.

Romans 4:21 Meaning and Commentary

Romans 4:21

And being fully persuaded
He had not only faith, a strong faith, but full assurance of faith:

that what he [God] had promised;
though it was so long ago, and there were so many difficulties in the way;

he was able,
being the Lord God Almighty,

to perform;
so his faith rested upon the power of God, with whom nothing is impossible.

Romans 4:21 In-Context

19 And being not weak in faith, he considered not his own body now dead, when he was about a hundred years old, neither yet the deadness of Sarah's womb.

20 He staggered not at the promise of God through unbelief; but was strong in faith, giving glory to God;

21 And being fully persuaded, that what he had promised, he was able also to perform.

22 And therefore it was imputed to him for righteousness.

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