Matthew 7:15-17
Beware of false prophets; they come to you with the garb of sheep but at heart they are ravenous wolves.
John 3:19-21
And this is the sentence of condemnation, that the Light has entered the world and yet men have preferred darkness to light. It is because their actions have been evil;
2 Corinthians 11:13-15
'Apostles'? They are spurious apostles, false workmen ??they are masquerading as 'apostles of Christ.'
2 Timothy 4:3-4
for the time will come when people will decline to be taught sound doctrine and will accumulate teachers to suit themselves and tickle their own fancies;
2 Peter 2:1-2
Still, false prophets did appear among the People, as among you also there will be false teachers, men who will insinuate destructive heresies, even disowning the Lord who ransomed them; they bring rapid destruction on themselves,