1 Thessalonians 2:3-5

3For the appeal we make does not come from error or impurity or with deceit,

4but just as we have been approved by God to be entrusted with the gospel, so we declare it, not to please people but God, who examines our hearts.

5For we never appeared with flattering speech, as you know, nor with a pretext for greed – God is our witness –