Matthew 7:15
But beware of false prophets, who come to you in sheep's clothing, but inwardly they are rapacious wolves.
Matthew 16:6
And Jesus said to them; See and beware of the leaven of the Pharisees and Sadducees.
Matthew 16:12
Then they understood that He did not say to beware of the leaven of the (bread) of the Pharisees and Sadducees, but of the teaching of the Pharisees and Sadducees.
Mark 4:24
And He said to them. See what you hear: with what measure you measure it shall be measured unto you: and it shall be added unto you who hear.
Mark 7:6-14
And responding He said to them, Beautifully did Isaiah prophesy concerning you hypocrites, as has been written, This people honor me with lips, but their heart is far from me.
John 10:5
but they will not follow a stranger, but will flee from him: because they know not the voice of strangers.
2 Corinthians 11:13-15
For such are false apostles, deceitful workers, transforming themselves into the apostles of Christ.
Ephesians 4:14
in order that we may be no longer infants, tossed by the waves and carried about by every wind of teaching, in the caprice of the people, in their craftiness, pursuant to their method of delusion;
1 Timothy 4:7
but reject the unsanctified and silly stories: but exercise yourself unto godliness.
1 Timothy 6:3-5
If any one teaches another doctrine, and does not give heed to the sound words which belonged to our Lord Jesus Christ, and to the doctrine which is according to godliness;
2 Peter 2:1-2
However there were indeed false prophets among the people, as there will also be false teachers among you, whosoever shall bring in destructive heresies, even denying the Lord who bought them, bringing on themselves swift destruction.
1 John 4:1
Beloved, believe not every spirit, but prove the spirits if they are of God: because many false prophets have gone out into the world.
2 John 1:10
If any one comes to you, and does not bring this doctrine; do not receive him into your house, and do not bid him God speed:
Revelation 2:2
I know your works, and your labor, and your patience, and that you are not able to bear the wicked; and you have tried those who say they are apostles, and are not, and have found them to be liars: