Matthew 7:15
Beware of false prophets; they come to you with the garb of sheep but at heart they are ravenous wolves.
Matthew 24:11
Many false prophets will rise and mislead many.
Matthew 24:24
for false Christs and false prophets will rise and bring forward great signs and wonders, so as to mislead the very elect, ??if that were possible.
Mark 13:22
for false Christs and false prophets will rise and perform signs and wonders to mislead the elect if they can.
Luke 6:26
Woe to you when all men speak well of you! that is just what their fathers did to the false prophets.
2 Peter 2:1
Still, false prophets did appear among the People, as among you also there will be false teachers, men who will insinuate destructive heresies, even disowning the Lord who ransomed them; they bring rapid destruction on themselves,
1 John 4:1
Do not believe every spirit, beloved, but test the spirits to see if they come from God; for many false prophets have emerged in the world.