I have said it before and I now repeat it: whoever preaches a gospel to you that contradicts the gospel you have already received, God's curse be on him!
Brothers, I beg of you to keep your eye on those who stir up dissensions and put hindrances in your way, contrary to the doctrine which you have been taught. Avoid them.
Such was my intention. Now, have I shown myself 'fickle'? When I propose some plan, do I propose it in a worldly way, ready to mean 'no' as well as 'yes'?
Well then, my brothers, rejoice in the Lord. I am repeating this word 'rejoice' in my letter, but that does not tire me and it is the safe course for you. —