Galatians 2:3
But they did not even try to compel my companion, Titus, although he was a Greek, to be circumcised --
Acts 16:3
Paul wanted this man to join him in his journey; so on account of the Jews in that district he took him and had him circumcised, for everybody knew that his father was a Greek.
Acts 15:24
As we have heard that some of our number have disturbed you by their teaching, by continuing to unsettle your minds,
1 Corinthians 9:20-21
To the Jews I have become like a Jew for the winning of Jews; to men under the law, like one under the law, though I am not under the law myself, to win the men under the law;
2 Corinthians 2:13
I had no rest of spirit, because I did not find my brother Titus there. So I said goodbye to them and left for Macedonia.
Galatians 5:2-6
Here is what I am saying to you: If you let yourselves be circumcised, Christ can do you no good.