Treasury of Scripture Knowledge
Behold, I Paul say to you, that if ye be circumcised, Christ shall profit you nothing.
Since we heard that certain of us having come out have troubled you with words, destroying your souls, saying, To be circumcised, and keep the law: to whom we sent no word:
Him Paul wished to go forth with him; and having taken, he circumcised him, on account of the Jews being in those places: for all knew his father that he was a Greek.
1 Corinthians 9:20
And I was to the Jews as a Jew, that I might gain the Jews: to them under the law, as under the law, that I might gain them under the law;