1 Cor. 10:33. Just as I also please all men in all things, seeking not my own profit, but the profit of many, that they may be saved.
Since he had shown them guilty of causing harm to Gentiles and Jews and had commanded them a great thing, in order to show the ease of this matter, he puts forward himself as an example. And that he did not seek his own benefit is evident from much of what was said before, for example: "I became all things to all men" (1 Cor. 9:22), and especially from the fact that he could wish himself to be accursed for the sake of his brethren (Rom. 9:3).