1 Thessalonians 2:3
For our exhortation [was] not of deceit, nor of uncleanness, nor in guile:
Note 3 at 1Th 2:3: Paul was saying that he didn't use tricks or deception to convert the Thessalonians. He also was not living immorally and using his message of grace to cover sin. There were no hidden motives behind his preaching, such as covetousness, which he addressed in the following verses (1Th 2:5-6 and 9).