Titus 3:10
A man, a heretic after one and the second admonition, reject;
Romans 16:17
And I beseech you, brethren, to observe narrowly them having made divisions and scandals against the teaching which ye learned; and bend away from them.
2 John 1:10
If there come any to you, and bring not this teaching, receive ye him not into the household, and to rejoice tell him not:
Matthew 18:15-17
And if thy brother sin against thee, retire, and refute him between thee and him alone; if he hear thee, thou hast gained thy brother.
1 Corinthians 5:4-13
In the name of our Lord Jesus Christ, ye, gathered together, and my spirit, with the power of our Lord Jesus Christ,
1 Corinthians 11:19
For there must be also sects among you, that the tried might be made manifest among you.
2 Corinthians 13:2
I have said before, and say beforehand, as being present the second; and being away now I write to them having sinned before, and to all the rest, that, if I should come again, I will not spare:
Galatians 5:12
I would also they shall be cut off who having risen up against you.
Galatians 5:20
Idolatry, charm, enmities, strifes, jealousies, wraths, intriguings, seditions, sects
2 Thessalonians 3:6
And we proclaim to you, brethren, in the name of our Lord Jesus Christ, for you to shrink from every brother walking disorderly, and not according to the doctrine which he received of us.
2 Thessalonians 3:14
And if any listen not to our word by the epistle, mark him, and mix not together with him, that he may change.
2 Timothy 3:5
Having a form of devotion, and having denied its power: and these renounce.
2 Peter 2:1
And also were there false prophets among the people, as also among you shall be false teachers, who shall privately bring in doctrines of perdition, and denying the master having purchased them, having brought upon themselves swift destruction.