2 Timothy 3:5
and while they retain the outward form of religion, they will not allow it to influence them. Turn your back on such men as these.
2 Thessalonians 3:6
We urge you, Brothers, in the name of the Lord Jesus Christ, to avoid any Brother who is living an ill-ordered life, which is not in agreement with the teaching that you received from us.
1 Timothy 5:8
Any one who fails to provide for his own relations, and especially for those under his own roof, has disowned the Faith, and is worse than an unbeliever.
Matthew 7:15
Beware of false Teachers--men who come to you in the guise of sheep, but at heart they are ravenous wolves.
Matthew 23:27-28
Alas for you, Teachers of the Law and Pharisees, hypocrites that you are! You are like whitewashed tombs, which indeed look fair outside, while inside they are filled with dead men's bones and all kinds of filth.
Romans 2:20-24
And a teacher of the childish, because in the Law you possess the outline of all Knowledge and Truth.
Ephesians 4:14
Then we shall no longer be like infants, tossed backward and forward, blown about by every breath of human teaching, through the trickery and the craftiness of men, towards the snares of error;
Romans 16:17-18
I urge you, Brothers, to be on your guard against people who, by disregarding the teaching which you received, cause divisions and create difficulties; dissociate yourselves from them.
2 Thessalonians 3:14
If any one disregards what we have said in this letter, mark that man and avoid his company, that he may feel ashamed.
1 Timothy 6:5
and incessant wrangling on the part of these corrupt-minded people who have lost all hold on the Truth, and who think of religion only as a source of gain.
2 Timothy 2:16
Avoid profane prattle. Those who indulge in it only get deeper into irreligious ways,
2 Timothy 2:23
Shun foolish and ignorant discussions, for you know that they only breed quarrels;
Titus 1:16
They profess to know God, but by their actions they disown him. They are degraded and self-willed; and, as far as anything good is concerned, they are utterly worthless.
Titus 3:10
If a man is causing divisions among you, after warning him once or twice, have nothing more to say to him.
2 John 1:10-12
If any one comes to you and does not bring this Teaching, do not receive him into your house or welcome him;