Matthew 7:15
"Look out for false prophets, who come to you under the guise of sheep, but inside they are devouring wolves.
2 Timothy 4:3
For a time will come when they will not listen to wholesome teaching, but to gratify their own evil desires will surround themselves with teachers who teach to gratify their own evil desires, because their ears are itching so to be tickled,
2 Peter 2:1-3
Now there were false prophets among the people, just as there will be false teachers among you too, who will insidiously introduce destructive heresies and deny the Master who has bought them, thus bringing on themselves swift destruction.
Revelation 19:20
Then the wild beast was captured and with him the false prophet who performed wonders in his presence, by which he led astray those who let the mark of the wild beast be put on them and worshiped his statue. Both of them were hurled alive into the fiery lake that burns with brimstone.