Now I call upon you, brothers, watch out for those who cause divisions and stumbling, contrary to the teaching which you learned, and turn away from them.
“And if he refuses to hear them, say it to the assembly. And if he refuses even to hear the assembly, let him be to you like a gentile and a tax collector.
See to it that no one makes a prey of you through philosophy and empty deceit, according to the tradition of men, according to the elementary matters of the world, and not according to Messiah.
But we command you, brothers, in the Name of our Master יהושע Messiah, that you withdraw from every brother who walks disorderly and not according to the tradition which you received from us.
They went out from us, but they were not of us, for if they had been of us, they would have stayed with us – but in order that it might be made manifest that none of them were of us.