1 Corinthians 4:3-4

4:3 So for me, it is a minor matter that I am judged by you or by any human court. In fact, I do not even judge myself. 4:4 For I am not aware of anything against myself, but I am not acquitted because of this. The one who judges me is the Lord.

1 Corinthians 9:11

9:11 If we sowed spiritual blessings among you, is it too much to reap material things from you?

1 Corinthians 9:27

9:27 Instead I subdue my body and make it my slave, so that after preaching to others I myself will not be disqualified.

1 Corinthians 16:6

16:6 and perhaps I will stay with you, or even spend the winter, so that you can send me on my journey, wherever I go.