Bible Verses About judging false prophets

“Beware of false prophets, which come to you in sheep's clothing, but inwardly they are ravening wolves.”

“Beloved, believe not every spirit, but try the spirits whether they are of God: because many false prophets are gone out into the world.”

“When a prophet speaketh in the name of the LORD, if the thing follow not, nor come to pass, that is the thing which the LORD hath not spoken, but the prophet hath spoken it presumptuously: thou shalt not be afraid of him.”

“For there shall arise false Christs, and false prophets, and shall shew great signs and wonders; insomuch that, if it were possible, they shall deceive the very elect.”

“But there were false prophets also among the people, even as there shall be false teachers among you, who privily shall bring in damnable heresies, even denying the Lord that bought them, and bring upon themselves swift destruction.”