I told you before, and tell you again, as if I were present, the second time; and being absent now I write to them who earlier have sinned, and to all others, that, if I come again, I will not spare:
Now we command you, brethren, in the name of our Lord Jesus Christ, that you withdraw yourselves from every brother that walks disorderly, and not after the tradition which he received from us.
But there were false prophets also among the people, even as there shall be false teachers among you, who shall secretly bring in destructive heresies, even denying the Lord that bought them, and bring upon themselves swift destruction.