And if he shall neglect to hear them, tell it to the church. But if he neglects to hear the church, let him be to you as a heathen and a tax-collector.
Because we have heard that certain ones who went out from us have troubled you with words, unsettling your souls, saying, Be circumcised and keep the law! (to whom we gave no such command);
Beware lest anyone rob you through philosophy and vain deceit, according to the tradition of men, according to the elements of the world, and not according to Christ.
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.
They went out from us, but they were not of us; for if they were of us, they would have continued with us. But they went out so that it might be revealed that they were not all of us.