Matthew 7:15
Take heed then of false prophets, who come to you in the garb of sheep, but inwardly they are ravening wolves.
Matthew 24:11
And many false prophets shall arise, and shall deceive many.
Matthew 24:24
for false Messiahs and false prophets shall arise, and give out great signs and wonders; so as to deceive, if it were possible, even the elect.
2 Timothy 3:8
But in the same manner as Jannes and Jambres opposed Moses, so do these also set themselves in opposition to the truth; men corrupt in mind, reprobate respecting the faith.
2 Timothy 4:14-15
Alexander the brazier did me many ill offices: the Lord repay him according to his works:
1 John 5:16
If any person see his brother committing a sin not unto death, he shall request, and God will grant him life for those that sin not unto death. There is a sin unto death: I say not that he should request for that.
Revelation 19:20
And the beast was seized upon, and with him the false prophet who performed the wonders before him, by which he deceived those who received the brand of the beast, and those who worshipped his image. They were both hurled alive into the lake of fire which burneth with brimstone.