Matthew 7:15
But beware of false prophets, who come to you in sheep's clothing, but within are ravenous wolves.
Matthew 24:11
and many false prophets will arise, and deceive many;
Matthew 24:24
For false Christs and false prophets will arise, and will show great signs and wonders, so as to deceive, if possible, even the elect.
Mark 13:22
For false Christs and false prophets will arise, and will show signs and wonders, in order to lead astray, if possible, even the elect.
Luke 6:26
Alas for you, when men shall speak well of you! for so did their fathers to the false prophets.
2 Thessalonians 2:9
he will destroy him, whose coming is, according to the energy of Satan, with all power and signs and wonders of falsehood,
2 Peter 2:1
But there were false prophets among the people, as there will be false teachers also among you; and these will stealthily introduce ruinous sects, and deny the Lord that bought them, bringing upon themselves swift destruction:
1 John 4:1
Beloved, believe not every spirit; but prove the spirits, whether they are from God: for many false prophets have gone out into the world.