For you remember, brothers, our labor and travail; for working night and day, that we might not burden any of you, we preached to you the Gospel of God.

 (c) It was being said that Paul's preaching was guilefully aimed at deluding others. The propagandists of Hitler Germany discovered that if a lie is repeated often enough and loudly enough it will in the end be accepted as the truth. That was the charge which was levelled at Paul. 