And if he shall neglect to hear them, tell it unto the church: but if he neglect to hear the church, let him be unto you as a heathen man and a tax collector.
Since we have heard that certain who went out from us have troubled you with words, unsettling your souls, saying, You must be circumcised, and keep the law: to whom we gave no such commandment:
And because of false brethren brought in unawares, who came in secretly to spy out our liberty which we have in Christ Jesus, that they might bring us into bondage:
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.
They went out from us, but they were not of us; for if they had been of us, they would no doubt have continued with us: but they went out, that they might be made manifest that they were not all of us.