Matthew 7:15
Beware of false prophets, who to outward appearance are sheep, but inwardly they are ravenous wolves.
1 John 4:1
Beloved, believe not every spirit, but try the spirits whether they are of God: because many false prophets are gone out into the world.
Matthew 24:24
for there shall arise false Messiahs, and false prophets, and shall shew such astonishing miracles and prodigies, as to deceive, if that can do it, the very converts themselves.
Romans 16:18
for such as these serve not our Lord Jesus Christ, but their own selfishness; and by flourish and flattery, deceive the open-hearted simple.
2 Corinthians 11:3
but I fear lest by some means or other, as Eve was beguiled by the subtilly of the serpent, your minds should be corrupted from the simplicity that is due to Christ.
2 Corinthians 11:13-15
for these are false apostles, deceitful workmen, disguised so as to pass for true apostles.
2 Peter 2:1
As there were false prophets among the people of Israel, there will likewise be false doctors among you, who by introducing pernicious sects, and by renouncing the Lord, who bought them, will bring upon themselves swift destruction.
Revelation 19:20
and the beast was taken, and with him the false prophet that wrought miracles in his favour, by which he seduc'd those that had received the mark of the beast, and those that worshipped his image. these were both cast alive into a lake of fire burning with brimstone.