Matthew 7:15
"Beware of the false prophets, who come to you disguised as sheep but are ravenous wolves underneath.
2 Timothy 4:3
For a time will come when they will not listen to wholesome instruction, but will overwhelm themselves with teachers to suit their whims and tickle their fancies,
2 Peter 2:1-3
There were false prophets too among the people, just as there will be false teachers among you, who will introduce destructive sects and deny the Master who has bought them, thus bringing on themselves swift destruction.
Revelation 19:20
And the animal was captured and with it the false prophet who performed wonders on its behalf by means of which he led astray those who had let the animal's mark be put on them and who worshiped its statue. Both of them were flung alive into the fiery lake of burning brimstone.