Galatians 2:3
But even my companion Titus, Greek though he was, was not obliged to be circumcised.
Acts 16:3
so, as Paul wished him to go abroad with him, he took and circumcised him on account of the local Jews, all of whom knew his father had been a Greek.
Acts 15:24
Having learned that some of our number, quite unauthorized by us, have unsettled you with their teaching and upset your souls,
1 Corinthians 9:20-21
To Jews I have become like a Jew, to win over Jews; to those under the Law I have become as one of themselves ??though I am not under the Law myself ??to win over those under the Law;
2 Corinthians 2:13
my spirit could not rest, because I did not find Titus my brother there; so I said goodbye and went off to Macedonia.
Galatians 5:2-6
Here, listen to Paul! I tell you, if you get circumcised, Christ will be no use to you.