Galatians 2:3
But not even Titus [who was] with me, [although] he was a Greek, was compelled to be circumcised.
Acts 16:3
Paul wanted this one to go with him, and he took [him] [and] circumcised him because of the Jews who were in those places, for [they] all knew that his father was Greek.
Acts 15:24
Because we have heard that some have gone out from among us--to whom we gave no orders--[and] have thrown you into confusion by words upsetting your {minds},
1 Corinthians 9:20-21
I have become like a Jew to the Jews, in order that I may gain the Jews. To those under the law [I became] as under the law ([although I] myself am not under the law) in order that I may gain those under the law.
2 Corinthians 2:13
I did not experience rest in my spirit, [because] I did not find Titus my brother, but saying farewell to them, I departed for Macedonia.
Galatians 5:2-6
Look! I, Paul, tell you that if you become circumcised, Christ will profit you nothing!