And unto the Jews I became as a Jew, that I might gain the Jews; to them that are under the law, as under the law, that I might gain them that are under the law;
All Commentaries on 1 Corinthians 9:20 Go To 1 Corinthians 9
Cornelius a Lapide
AD 1637
To them that are under the law, as under the law. To the Jews I became as one under the Mosaic law. This took place, e.g, says Å’cumenius, when he circumcised Timothy, when, after purifying himself, he went to the Temple, because he had a vow ( Acts 21:26).