1 John 2:26
In writing thus to you, I have in mind those who are trying to mislead you.
2 John 1:7
I say this because many impostors have left us to go into the world--men who do not acknowledge Jesus as Christ come in our human nature. It is that which marks a man as an impostor and an anti-Christ.
1 John 3:7
My Children, do not let any one mislead you. He who lives righteously is righteous--as Christ is righteous.
Mark 13:22
For false Christs and false Prophets will arise, and display signs and marvels, to lead astray, were it possible, even God's People.
Acts 20:29-30
I know that, after my departure, merciless wolves will get in among you, who will not spare the flock;
2 Corinthians 11:13-15
Men of this stamp are false apostles, treacherous workers, disguising themselves as Apostles of Christ!
Colossians 2:8
Take care there is not some one who will carry you away by his 'philosophy'--a hollow sham!--following, as it does, mere human traditions, and dealing with puerile questions of this world, and not with Christ.
Colossians 2:18
Do not let any one defraud you of the reality by affecting delight in so-called 'humility' and angel-worship. Such a man busies himself with his visions, and without reason is rendered conceited by his merely human intellect.
1 Timothy 4:1
But the Spirit distinctly says that in later times there will be some who will fall away from the Faith, and devote their attention to misleading spirits, and to the teaching of demons,
2 Timothy 3:13
but wicked people and impostors will go from bad to worse, deceiving others and deceived themselves.
2 Peter 2:1-3
But there were false prophets also in the nation, just as there will be false teachers among you, men who will secretly introduce ruinous divisions, disowning even the Lord who bought them, and bringing speedy Ruin upon themselves.