I told you before, and I say beforehand, as being present the second time and being absent now. I write to those who sinned before, and to all the rest, that if I come again, I will not spare.
Now we command you, brothers, in the name of our Lord Jesus Christ, that you withdraw yourselves from every brother who walks disorderly, and not after the teaching which he received from us.
But there were also false prophets among the people, even as there will be false teachers among you, who secretly will bring in destructive heresies, even denying the Master who bought them, bringing on themselves swift destruction.