Galatians 2:3
But neither was Titus the one with me, being a Greek, compelled to be circumcised:
Acts 16:3
Paul wished him to go out with him; and having taken him circumcised him on account of the Jews who were in those places: for they all knew his father that he was a Greek.
Acts 15:24
Since we heard that certain ones having come out from us troubled you, disturbing your souls with words which we did not command:
1 Corinthians 9:20-21
And to the Jews I became as a Jew, that I may gain the Jews; to those under the law, as under the law, not myself being under law, that I may gain those under the law;
2 Corinthians 2:13
and I had no rest to my spirit, because I did not find my brother Titus: but having bidden them adieu, I came away into Macedonia.
Galatians 5:2-6
Behold I Paul say unto you, that, if you may be circumcised, Christ shall profit you nothing.