First Letter to the Corinthians

Even so the Lord ordained that those who proclaim the gospel should live from the gospel.

But I have used none of these things, and I don't write these things that it may be done so in my case; for I would rather die, than that anyone should make my boasting void.

For if I preach the gospel, I have nothing to boast about; for necessity is laid on me; but woe is to me, if I don't preach the gospel.

For if I do this of my own will, I have a reward. But if not of my own will, I have a stewardship entrusted to me.

What then is my reward? That, when I preach the gospel, I may present the gospel of Christ without charge, so as not to abuse my authority in the gospel.

For though I was free from all, I brought myself under bondage to all, that I might gain the more.

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;