1 Corinthians 9:20 in the King James Version
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;
Context
19 For though I was free from all, I brought myself under bondage to all, that I might gain the more.
20 To the Jews I became as a Jew, that I might gain Jews; to those who are under the law, as under the law, that I might gain those who are under the law;
21 to those who are without law, as without law (not being without law toward God, but under law toward Christ), that I might win those who are without law.