Romans 4:21

21 being fully persuaded that God had power to do what he had promised.

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Romans 4:21 in Other Translations

KJV

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

ESV

21 fully convinced that God was able to do what he had promised.

NLT

21 He was fully convinced that God is able to do whatever he promises.

MSG

21 sure that God would make good on what he had said.

CSB

21 because he was fully convinced that what He had promised He was also able 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.

Taken from John Gill's Exposition of the Bible

Romans 4:21 In-Context

19 Without weakening in his faith, he faced the fact that his body was as good as dead—since he was about a hundred years old—and that Sarah’s womb was also dead.

20 Yet he did not waver through unbelief regarding the promise of God, but was strengthened in his faith and gave glory to God,

21 being fully persuaded that God had power to do what he had promised.

22 This is why “it was credited to him as righteousness.”

23 The words “it was credited to him” were written not for him alone,

Cross References 1

1. Genesis 18:14; S Matthew 19:26; Hebrews 11:19