2 Timothy 3:5
holding the form of godliness, but denying the power of it: from these men turn with aversion.
2 Thessalonians 3:6
Now we command you, brethren, in the name of our Lord Jesus Christ, to withdraw yourselves from every brother who walketh disorderly, and not according to the injunction which he hath received from us.
1 Timothy 5:8
But if any man provide not for his own relations, and especially for those more immediately of his own family, he hath denied the faith, and is worse than an infidel.
Matthew 7:15
Take heed then of false prophets, who come to you in the garb of sheep, but inwardly they are ravening wolves.
Matthew 23:27-28
Wo unto you, scribes and Pharisees, hypocrites! for ye resemble tombs whitewashed, which outwardly indeed appear specious, but within are full of dead men's bones, and all manner of impurity.
Romans 2:20-24
an instructor of the uninformed, a teacher of babes, holding the form of knowledge and of truth in the law.
Ephesians 4:14
that we should be no longer infants, floating on the waves, and carried about with every wind of novel doctrine, by the juggling of men, by their craftiness after the delusive wiles of error;
Romans 16:17-18
Now I beseech you, brethren, keep a sharp eye over those who cause divisions and offences contrary to the doctrine ye have learned, and turn away from them.
2 Thessalonians 3:14
And if any man obey not our word by letter, mark that man, and maintain no society with him, that he may be ashamed.
1 Timothy 6:5
perverse wranglings of men corrupt in mind, and destitute of truth, who think to make gain of godliness; depart from such men.
2 Timothy 2:16
But profane vain bablings avoid: for they will proceed to greater lengths of impiety.
2 Timothy 2:23
But foolish and uninstructive disputes avoid, knowing that they produce quarrels.
Titus 1:16
They profess to know God; but in works deny him, being abominable and disobedient, and unto every good work reprobate.
Titus 3:10
An heretical person after a first and second admonition reject;
2 John 1:10-12
If any person come unto you, and bring not this doctrine, receive him not into the house, nor say to him, Welcome.