In the following Scripture, Paul said he did not frustrate the grace of God.
Gal 2:21
21I do not frustrate the grace of God: for if righteousness come by the law, then Christ is dead in vain. (KJV)
“Righteousness,” in the above verse, translates a Greek legal term and means “cleared of all guilt.” Furthermore, the words “righteousness, righteous, just, justify, justified and/or justification,” when used in your English Bible, are translations of the same Greek root abo…