Matthew 7:15
And beware of false prophets, who come to you in sheeps clothing, but inwardly they are ravenous wolves.
Matthew 24:11
and because iniquity shall abound,
Matthew 24:24
for there shall rise up false Christs, and false prophets, who shall shew great signs and prodigies, so as to deceive, if possible, even the elect.
2 Timothy 3:8
And as Jannes and Jambres withstood Moses, so do these also withstand the truth; being men of corrupt minds, and of no judgement in the faith.
2 Timothy 4:14-15
Alexander the brazier did me many ill turns: the Lord will reward him according to his deeds.
1 John 5:16
If any one see his brother commit a sin which is not unto death, let him pray for him, and God will give him life, that is for them that do not sin unto death. There is a sin unto death: and for that I do not say that he should pray.
Revelation 19:20
And the beast was taken, and with him the false prophet, who had wrought signs before him, by which he deceived those who had received the mark of the beast, and those who worshipped his image. These both were cast alive into the lake of fire burning with brimstone.