Romans 4:21

21 Most fully knowing that whatsoever he has promised, he is 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 he was not weak in faith. Neither did he consider his own body, now dead (whereas he was almost an hundred years old), nor the dead womb of Sara.

20 In the promise also of God he staggered not by distrust: but was strengthened in faith, giving glory to God:

21 Most fully knowing that whatsoever he has promised, he is able also to perform.

22 And therefore it was reputed to him unto justice.

23 Now it is not written only for him. that it was reputed to him unto justice,