But false prophets also arose among the people, just as there will also be false teachers among you, who will secretly introduce destructive heresies, even denying the Master who bought them, bringing swift destruction upon themselves.

After

“If your brother sins, go and show him his fault in private; if he listens to you, you have won your brother.

I have previously said when present the second time, and though now absent I say in advance to those who have sinned in the past and to all the rest as well, that if I come again I will not spare anyone,

Reject

Now I urge you, brethren, keep your eye on those who cause dissensions and hindrances contrary to the teaching which you learned, and turn away from them.

In the name of our Lord Jesus, when you are assembled, and I with you in spirit, with the power of our Lord Jesus,

I wish that those who are troubling you would even

mutilate themselves.

Now we command you, brethren, in the name of our Lord Jesus Christ, that you

keep away from every brother who leads an

unruly life and not according to the tradition which you received from us.

holding to a form of

godliness, although they have denied its power; Avoid such men as these.

If anyone comes to you and does not bring this teaching, do not receive him into your house, and do not give him a greeting;