Galatians 1:18

1:18 Then after three years I went up to Jerusalem to visit Cephas and get information from him, and I stayed with him fifteen days.

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 2:17

2:17 But if while seeking to be justified in Christ we ourselves have also been found to be sinners, is Christ then one who encourages sin? Absolutely not!

Galatians 6:16

6:16 And all who will behave in accordance with this rule, peace and mercy be on them, and on the Israel of God.