Matthew 7:15
But beware of false prophets, who come to you in sheeps clothing, but inwardly they are ravenous wolves.
Matthew 24:11
And many false prophets shall rise and shall deceive many.
Matthew 24:24
For false Christs and false prophets shall arise and shew great signs and wonders, so that they would deceive (if it were possible) even the elect.
2 Timothy 3:8
Now as Jannes and Jambres withstood Moses, so do these also withstand the truth: men of corrupt minds, void of judgment as to the faith.
2 Timothy 4:14-15
Alexander the coppersmith did me much evil; the Lord will reward him according to his works.
1 John 5:16
If any one see his brother sin a sin which is not unto death, let him ask, and he will give him life for them that sin not unto death.
Revelation 19:20
And the wild beast was taken, and with him the false prophet, who had wrought the miracles before him, with which he deceived them who had the mark of the wild beast, and them who had worshiped his image. These two were cast alive into the lake of fire burning with brimstone.