Romans 4:21 Parallel Verses [⇓ See commentary ⇓]Romans 4:21, NIV: being fully persuaded that God had power to do what he had promised.
Romans 4:21, ESV: fully convinced that God was able to do what he had promised.
Romans 4:21, KJV: And being fully persuaded that, what he had promised, he was able also to perform.
Romans 4:21, NASB: and being fully assured that what God had promised, He was able also to perform.
Romans 4:21, NLT: He was fully convinced that God is able to do whatever he promises.
Romans 4:21, CSB: because he was fully convinced that what God had promised, he was also able to do.