2 Corinthians 11:7-15

Was it a sin for me to lower myself in order to elevate you by preaching the gospel of God to you free of charge? I robbed other churches by receiving support from them so as to serve you. And when I was with you and needed something, I was not a burden to anyone, for the brothers who came from Macedonia supplied what I needed. I have kept myself from being a burden to you in any way, and will continue to do so. As surely as the truth of Christ is in me, nobody in the regions of Achaia will stop this boasting of mine. Why? Because I do not love you? God knows I do! And I will keep on doing what I am doing in order to cut the ground from under those who want an opportunity to be considered equal with us in the things they boast about. For such people are false apostles, deceitful workers, masquerading as apostles of Christ. And no wonder, for Satan himself masquerades as an angel of light. It is not surprising, then, if his servants also masquerade as servants of righteousness. Their end will be what their actions deserve.