2 Corinthians 11:7-9

7Have I committed an offence in abasing myself that ye might be exalted, because I have preached to you the gospel of God without charge? 8I robbed other churches, taking wages of them, to do you service. 9And when I was present with you, and in need, I was chargeable to no man: for that which was lacking to me the brethren who came from Macedonia supplied: and in all things I have kept myself from being burdensome to you, and so will I keep myself .