Romans 4:21

21 and being fully assured 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 Without being weakened in faith, he didn't consider his own body, already having been worn out, (he being about a hundred years old), and the deadness of Sarah's womb.

20 Yet, looking to the promise of God, he wavered not through unbelief, but grew strong through faith, giving glory to God,

21 and being fully assured that what he had promised, he was able also to perform.

22 Therefore also it was "reckoned to him for righteousness."

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