1 John 4:1
Beloved, believe not every Spirit, but try the spirits, whether they be of God: for many false prophets are gone out into the world.
2 Peter 2:1
But there were indeed false prophets among the people of old, as there will be also among you false teachers, who will privately introduce pernicious heresies, denying even the Lord that bought them, and bringing upon themselves swift destruction,
1 John 2:18
Little children, it is the last time: and as ye have heard that an antichrist will come, there are even now many antichrists, whereby we know that it is the last time.
1 Thessalonians 5:21
yet try all things, and hold fast that which is good.
Luke 12:57
and why do ye not even of yourselves judge what is right?
Acts 17:11
These were more ingenuous than those at Thessalonica; for they received the word with all readiness of mind, searching the scriptures daily, whether these things were so.
1 Corinthians 12:10
to another the working of miracles; to another prophecy; to another the discerning of spirits; to another various kinds of tongues; to another the interpretation of tongues:
1 Corinthians 14:29
And let but two or three of the prophets speak, and the others judge.
1 Timothy 4:1
Now the Spirit expressly saith, that in latter times some shall apostatize from the faith, attending to seducing spirits,
2 John 1:7
For many deceivers are come out into the world, who disown that Jesus Christ is come in the flesh. Such a one is a deceiver and an antichrist.
Revelation 2:2
I know thy works, and thy labor, and thy patience, and that thou canst not bear those that are evil: and thou hast tried those who say they are apostles, and are not, and hast found them liars; and hast borne trouble, and hast patience;
Matthew 7:15-16
And beware of false prophets, who come to you in sheeps clothing, but inwardly they are ravenous wolves.
Matthew 24:4-5
And Jesus answered them, See that no one deceive you:
Matthew 24:23-26
Then if any shall say to you, Behold here is the Messiah, or there; believe it not:
Mark 13:21
And then if any shall say to you, Behold, here is the Christ, or, Behold, He is there, believe it not:
Luke 21:8
And He said, Take heed that ye be not deceived; for many shall come in my name, saying, I am the Christ; and the time is near: but do not therefore go after them.
Acts 20:29
For I know this, that after my departure grievous wolves will enter in among you, not sparing the flock.
Romans 16:18-19
and avoid them; for such people serve not our Lord Jesus Christ, but their own belly; and by a soothing address and good words deceive the hearts of the innocent.
2 Timothy 3:13
But wicked men and impostors will grow worse and worse, deceiving and being deceived.