Philippians 4:15
And you know also, Philippians, that at the beginning of the gospel, when I went out from Macedonia, no church communicated with me in the matter of giving and receiving except you only;
Philippians 1:5
for your fellowship in the gospel from the first day till now,
2 Corinthians 11:8-12
I robbed other churches taking wages to serve you;
Acts 16:40-5
And going out of the prison they entered into the house of Lydia, and having seen the brothers they exhorted them, and departed.
2 Corinthians 12:11-15
I have become foolish; you compelled me. For I ought to have been commended by you; for in nothing am I behind the chief of the apostles, though I also am nothing.