But if, in our endeavor to be justified in Christ, we too were found to be sinners, is Christ then a servant of sin? Certainly not!
17. If, while we seek to be justified. He now returns to the Galatians. We must take care not to connect this verse with the preceding one, as if it were a part of the speech addressed to Peter: for what had Peter to do with this argument? It certainly has very little, if anything, to do with the speech; but let every one form his own opinion.
Peter came to Antioch eating freely with Gentile believers, as the Spirit had taught him; but when Jewish Christians arrived, he withdrew, and this hypocrisy I had to oppose to his face. His fault proved plainly that he was not superior to me, and so the papacy's claim to his infallibility falls to pieces.
AI summary
Commenting on Galatians 2:11-21
But if while we seek to be justified by Christ,.... As they did, and not only sought for, but obtained what they sought for, because they sought for it at the hands of Christ, and not as it were by works, but by faith, even a justifying righteousness in him.