1 John 4:1
Beloved, believe not every spirit, but prove the spirits, whether they are of God; because many false prophets are gone out into the world.
2 Peter 2:1
But there arose false prophets also among the people, as among you also there shall be false teachers, who shall privily bring in destructive heresies, denying even the Master that bought them, bringing upon themselves swift destruction.
1 John 2:18
Little children, it is the last hour: and as ye heard that antichrist cometh, even now have there arisen many antichrists; whereby we know that it is the last hour.
1 Thessalonians 5:21
prove all things; hold fast that which is good;
Luke 12:57
And why even of yourselves judge ye not what is right?
Acts 17:11
Now these were more noble than those in Thessalonica, in that they received the word with all readiness of the mind, examining the Scriptures daily, whether these things were so.
1 Corinthians 12:10
and to another workings of miracles; and to another prophecy; and to another discernings of spirits; to another divers kinds of tongues; and to another the interpretation of tongues:
1 Corinthians 14:29
And let the prophets speak by two or three, and let the others discern.
1 Timothy 4:1
But the Spirit saith expressly, that in later times some shall fall away from the faith, giving heed to seducing spirits and doctrines of demons,
2 John 1:7
For many deceivers are gone forth into the world, even they that confess not that Jesus Christ cometh in the flesh. This is the deceiver and the antichrist.
Revelation 2:2
I know thy works, and thy toil and patience, and that thou canst not bear evil men, and didst try them that call themselves apostles, and they are not, and didst find them false;
Deuteronomy 13:1-5
If there arise in the midst of thee a prophet, or a dreamer of dreams, and he give thee a sign or a wonder,
Proverbs 14:15
The simple believeth every word; But the prudent man looketh well to his going.
Jeremiah 5:31
the prophets prophesy falsely, and the priests bear rule by their means; and my people love to have it so: and what will ye do in the end thereof?
Jeremiah 29:8-9
For thus saith Jehovah of hosts, the God of Israel: Let not your prophets that are in the midst of you, and your diviners, deceive you; neither hearken ye to your dreams which ye cause to be dreamed.
Matthew 7:15-16
Beware of false prophets, who come to you in sheep's clothing, but inwardly are ravening wolves.
Matthew 24:4-5
And Jesus answered and said unto them, Take heed that no man lead you astray.
Matthew 24:23-26
Then if any man shall say unto you, Lo, here is the Christ, or, Here; believe it not.
Mark 13:21
And then if any man shall say unto you, Lo, here is the Christ; or, Lo, there; believe it not:
Luke 21:8
And he said, Take heed that ye be not led astray: for many shall come in my name, saying, I am he ; and, The time is at hand: go ye not after them.
Acts 20:29
I know that after my departing grievous wolves shall enter in among you, not sparing the flock;
Romans 16:18-19
For they that are such serve not our Lord Christ, but their own belly; and by their smooth and fair speech they beguile the hearts of the innocent.
2 Timothy 3:13
But evil men and impostors shall wax worse and worse, deceiving and being deceived.