1 John 4:1
Beloved, believe not every spirit, but test the spirits whether they are of God: because many false prophets are gone out into the world.
2 Peter 2:1
But there were false prophets also among the people, even as there shall be false teachers among you, who shall secretly bring in destructive heresies, even denying the Lord that bought them, and bring upon themselves swift destruction.
1 John 2:18
Little children, it is the last time: and as you have heard that antichrist shall come, even now are there many antichrists; by which we know that it is the last time.
1 Thessalonians 5:21
Test all things; hold fast that which is good.
Luke 12:57
Yea, and why even of yourselves judge you not what is right?
Acts 17:11
These were more noble than those in Thessalonica, in that they received the word with all readiness of mind, and searched the scriptures daily, whether those things were so.
1 Corinthians 12:10
To another the working of miracles; to another prophecy; to another discerning of spirits; to another various kinds of tongues; to another the interpretation of tongues:
1 Corinthians 14:29
Let the prophets speak two or three, and let the others judge.
1 Timothy 4:1
Now the Spirit speaks expressly, that in the latter times some shall depart from the faith, giving heed to deceitful spirits, and doctrines of demons;
2 John 1:7
For many deceivers are entered into the world, who confess not that Jesus Christ has come in the flesh. This is a deceiver and an antichrist.
Revelation 2:2
I know your works, and your labor, and your patience, and how you can not bear them who are evil: and you have tried them who say they are apostles, and are not, and have found them liars:
Deuteronomy 13:1-5
If there arise among you a prophet, or a dreamer of dreams, and gives you a sign or a wonder,
Proverbs 14:15
The simple believes every word: but the prudent man looks well where he is going.
Jeremiah 5:31
The prophets prophesy falsely, and the priests bear rule by their own power; and my people love to have it so: and what will you do in the end?
Jeremiah 29:8-9
For thus says the LORD of hosts, the God of Israel; Let not your prophets and your diviners, that be in the midst of you, deceive you, neither hearken 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 they are ravening wolves.
Matthew 24:4-5
And Jesus answered and said unto them, Take heed that no man deceive you.
Matthew 24:23-26
Then if any man shall say unto you, Lo, here is Christ, or there; believe it not.
Mark 13:21
And then if any man shall say to you, Lo, here is Christ; or, lo, he is there; believe him not:
Luke 21:8
And he said, Take heed that you be not deceived: for many shall come in my name, saying, I am Christ; and the time draws near: go not therefore after them.
Acts 20:29
For I know this, that after my departing shall grievous wolves enter in among you, not sparing the flock.
Romans 16:18-19
For they that are such serve not our Lord Jesus Christ, but their own belly; and by good words and fair speeches deceive the hearts of the innocent.
2 Timothy 3:13
But evil men and seducers shall grow worse and worse, deceiving, and being deceived.