Titus 3:10
A man that is an heretick, after the first and second admonition, avoid:
Romans 16:17
Now I beseech you, brethren, mark those who cause divisions and revolts against the doctrine which you have learned; and avoid them.
2 John 1:10
whoever comes to you unaccompanied with this doctrine, don't admit him to your house, nor treat him with the common term of civility.
Matthew 18:15-17
Now in case such a brother do you an injury, go and expostulate with him in private: if he repents, thou hast saved thy brother.
1 Corinthians 5:4-13
that is, when you are assembled, and I virtually there, in the name of our Lord Jesus Christ,
1 Corinthians 11:19
for there must be factions among you, whereby it will appear who among you are the approved.
2 Corinthians 13:2
I told you once before, and now being absent I write to forewarn you and all that have sinned, that when I shall arrive, I will not spare them;
Galatians 5:12
I wish they who unsettle you were entirely circumcised.
Galatians 5:20
brutality, idolatry, poisoning, enmities, quarrels, emulations, animosities, strife, seditions, factions, envyings,
2 Thessalonians 3:6
We direct you, brethren, in the name of our Lord Jesus Christ, to withdraw from all those of your brethren, whose conduct is irregular, and not agreeable to the instructions they received from us.
2 Thessalonians 3:14
and if any one should disregard what we have prescrib'd, signify it to us by letter, and don't converse with him, that he may be put to shame.
2 Timothy 3:5
of which they wear the appearance, but disclaim its influence. have no intercourse with such.
2 Peter 2:1
As there were false prophets among the people of Israel, there will likewise be false doctors among you, who by introducing pernicious sects, and by renouncing the Lord, who bought them, will bring upon themselves swift destruction.