Romans 4:21

21 and having been fully persuaded that what He hath promised He is able also to do:

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 not having been weak in the faith, he did not consider his own body, already become dead, (being about a hundred years old,) and the deadness of Sarah's womb,

20 and at the promise of God did not stagger in unbelief, but was strengthened in faith, having given glory to God,

21 and having been fully persuaded that what He hath promised He is able also to do:

22 wherefore also it was reckoned to him to righteousness.

23 And it was not written on his account alone, that it was reckoned to him,