'False Prophets' in the Bible

'But, take heed of the false prophets, who come unto you in sheep's clothing, and inwardly are ravening wolves.

'And many false prophets shall arise, and shall lead many astray;

for there shall arise false Christs, and false prophets, and they shall give great signs and wonders, so as to lead astray, if possible, also the chosen.

for there shall rise false Christs and false prophets, and they shall give signs and wonders, to seduce, if possible, also the chosen;

Woe to you when all men shall speak well of you -- for according to these things were their fathers doing to false prophets.

And there did come also false prophets among the people, as also among you there shall be false teachers, who shall bring in besides destructive sects, and the Master who bought them denying, bringing to themselves quick destruction,

Beloved, every spirit believe not, but prove the spirits, if of God they are, because many false prophets have gone forth to the world;