Matthew 18:17
If he refuses to listen to them, tell the congregation. And if he refuses to listen to it, treat him as a heathen or a tax-collector.
John 15:2
Any branch of mine that does not bear fruit he trims away, and he prunes every branch that bears fruit, to make it bear more.
1 Corinthians 5:5-6
I have handed the man over to Satan, for his physical destruction, in order that his spirit may be saved on the Day of the Lord.
1 Corinthians 5:13
and God's, to judge those who are outside? You must drive the wrongdoer out from among you.
Titus 3:10
If a man is inclined to a sect, after warning him once or twice, have nothing more to do with him.
2 John 1:10-11
If anyone comes to you without bringing this teaching, do not let him come into the house or bid him good morning.
Revelation 2:2
I know what you have done; your hard work and your endurance. I know that you cannot tolerate wicked men, and that you have tested those who claimed to be apostles when they were not, and have found them to be impostors.
Revelation 2:6
But it is in your favor that you hate the practices of the Nicolaitans, as I do.
Revelation 2:14-16
Yet I hold it somewhat against you that you have among you some adherents of the teaching of Balaam, who taught Balak to entrap the children of Israel into eating meat that had been sacrificed to idols, and into immoral practices.
Revelation 2:20
But I hold it against you that you tolerate that Jezebel of a woman who claims to be inspired and who is misleading my slaves and teaching them to practice immorality and to eat meat that has been sacrificed to idols.
Revelation 22:15
The dogs, those who practice magic or immorality, murderers, idolaters, and anyone who loves falsehood or tells lies will be shut out of it.