Galatians 2:3
But not even Titus, who was with me, being a Greek, was compelled to be circumcised.
Acts 16:3
Paul wanted to have him go out with him, and he took and circumcised him because of the Jews who were in those parts; for they all knew that his father was a Greek.
Acts 15:24
Because we have heard that some who went out from us have troubled you with words, unsettling your souls, to whom we gave no commandment;
1 Corinthians 9:20-21
To the Jews I became as a Jew, that I might gain Jews; to those who are under the law, as under the law, not being myself under the law, that I might gain those who are under the law;
2 Corinthians 2:13
I had no relief for my spirit, because I did not find Titus, my brother, but taking my leave of them, I went out into Macedonia.
Galatians 5:2-6
Behold, I, Paul, tell you that if you receive circumcision, Christ will profit you nothing.