Matthew 7:15
"Beware of false prophets, who, indeed, come to you in sheep's clothing, but within are ravening wolves.
2 Timothy 4:3
For there will be a time when they will not endure the healthful teaching; but, having itching ears, they will for themselves heap up teachers according to their own desires;
2 Peter 2:1-3
But there arose false prophets also among the people, as among you also there will be false teachers, who, indeed, will stealthily bring in destructive heresies, denying even the Master Who bought them, bringing upon themselves swift destruction:
Revelation 19:20
And the beast was seized, and with him the false prophet that wrought the signs in his presence, with which he deceived those who received the mark of the beast, and who worshiped his image. The two were cast alive into the lake of fire that burns with brimstone.