1 John 4:1
Beloved, do not believe every spirit, but test the spirits, whether they are of God, because many false prophets have gone out into the world.
2 Peter 2:1
But false prophets also arose among the people, as false teachers will also be among you, who will secretly bring in destructive heresies, denying even the Master who bought them, bringing on themselves swift destruction.
1 John 2:18
Little children, these are the end times, and as you heard that the antichrist is coming, even now many antichrists have arisen. By this we know that it is the final hour.
1 Thessalonians 5:21
but test all things; hold firmly that which is good.
Luke 12:57
Why do you not judge for yourselves 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 to see 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 different kinds of tongues; and to another the interpretation of tongues.
1 Corinthians 14:29
Let the prophets speak, two or three, and let the others discern.
1 Timothy 4:1
But the Spirit says expressly that in later times some will fall away from the faith, paying attention to seducing spirits and doctrines of demons,
2 John 1:7
For many deceivers have gone out into the world, those who do not confess that Jesus Christ came in the flesh. This is the deceiver and the antichrist.
Revelation 2:2
"I know your works, and your toil and perseverance, and that you cannot tolerate evil men, and have tested those who call themselves apostles, and they are not, and found them false.
Deuteronomy 13:1-5
If there arise in the midst of you a prophet, or a dreamer of dreams, and he give you a sign or a wonder,
Proverbs 14:15
A simple man believes everything, but the prudent man carefully considers his ways.
Jeremiah 5:31
The prophets prophesy falsely, and the priests rule by their own authority; and my people love to have it so. What will you do in the end of it?
Jeremiah 29:8-9
For thus says the LORD of hosts, the God of Israel: 'Do not let your prophets who are in the midst of you, and your diviners, deceive you; neither listen to your dreams which you 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
Jesus answered them, "Be careful that no one leads you astray.
Matthew 24:23-26
"Then if any man tells you, 'Look, here is the Messiah,' or, 'There,' do not believe it.
Mark 13:21
Then if anyone tells you, 'Look, here is the Messiah.' or, 'Look, there.' do not believe it.
Luke 21:8
He said, "Watch out that you do not get led astray, for many will come in my name, saying, 'I am he,' and, 'The time is near.' Therefore do not follow them.
Acts 20:29
For I know that after my departure, vicious wolves will enter in among you, not sparing the flock.
Romans 16:18-19
For those who are such do not serve our Lord Christ, but their own belly; and by their smooth and flattering speech, they deceive the hearts of the innocent.
2 Timothy 3:13
But evil men and impostors will grow worse and worse, deceiving and being deceived.