Galatians 2:3
Titus was with me and he was not persuaded to be circumcised. He is a Greek.
Acts 16:3
Paul wanted to have him travel with him. So he had him circumcised because of the Jews who were in the area. For they knew that his father was a Greek.
Acts 15:24
Since we have heard, that certain ones who went out from us have troubled you with speeches, subverting you, saying: You must be circumcised, and keep the law. We gave no such commandment!
1 Corinthians 9:20-21
To the Jews I became as a Jew, that I might gain the Jews. To those under the Law, as under the Law, that I might gain those under the Law.
2 Corinthians 2:13
I had no relief for my spirit, because I did not find Titus my brother: but leaving them, I went to Macedonia.
Galatians 5:2-6
Behold, I Paul say to you, that, if you receive circumcision, Christ will be of no benefit to you.