Galatians 3:6

3:6 Just as Abraham believed God, and it was credited to him as righteousness,

Galatians 2:11

Paul Rebukes Peter

2:11 But when Cephas came to Antioch, I opposed him to his face, because he had clearly done wrong.

Galatians 2:13

2:13 And the rest of the Jews also joined with him in this hypocrisy, so that even Barnabas was led astray with them by their hypocrisy.