For our preaching was not grounded on a delusion, nor prompted by mingled motives, nor was there fraud in it.

and that in this matter there be no encroaching on the rights of a brother Christian and no overreaching him. For the Lord is an avenger in all such cases, as we have already taught you and solemnly warned you.

While they are saying "Peace and safety!" then in a moment destruction falls upon them, like birth-pains on a woman who is with child; and escape there is none.