1 John 4:1

Dear friends, do not believe every spirit, but test the spirits to determine if they are from God, because many false prophets have gone out into the world.

2 Peter 2:1

But there were also false prophets among the people, just as there will be false teachers among you. They will secretly bring in destructive heresies, even denying the Master who bought them, and will bring swift destruction on themselves.

1 John 2:18

Children, it is the last hour. And as you have heard, “Antichrist is coming,” even now many antichrists have come. We know from this that it is the last hour.

1 Thessalonians 5:21

but test all things.
Hold on to what is good.

Luke 12:57

“Why don’t you judge for yourselves what is right?

Acts 17:11

The people here were more open-minded than those in Thessalonica, since they welcomed the message with eagerness and examined the Scriptures daily to see if these things were so.

1 Corinthians 12:10

to another, the performing of miracles,
to another, prophecy,
to another, distinguishing between spirits,
to another, different kinds of languages,
to another, interpretation of languages.

1 Corinthians 14:29

Two or three prophets should speak, and the others should evaluate.

1 Timothy 4:1

Now the Spirit explicitly says that in later times some will depart from the faith, paying attention to deceitful spirits and the teachings of demons,

2 John 1:7

Many deceivers have gone out into the world; they do not confess the coming of Jesus Christ in the flesh. This is the deceiver and the antichrist.

Revelation 2:2

I know your works, your labor, and your endurance, and that you cannot tolerate evil. You have tested those who call themselves apostles and are not, and you have found them to be liars.

Deuteronomy 13:1-5

“If a prophet or someone who has dreams arises among you and proclaims a sign or wonder to you,

Proverbs 14:15

The inexperienced one believes anything,
but the sensible one watches his steps.

Jeremiah 5:31

The prophets prophesy falsely,
and the priests rule by their own authority.
My people love it like this.
But what will you do at the end of it?

Jeremiah 29:8-9

For this is what the Lord of Hosts, the God of Israel, says: “Don’t let your prophets who are among you and your diviners deceive you, and don’t listen to the dreams you elicit from them,

Matthew 7:15-16

“Beware of false prophets who come to you in sheep’s clothing but inwardly are ravaging wolves.

Matthew 24:4-5

Then Jesus replied to them: “Watch out that no one deceives you.

Matthew 24:23-26

“If anyone tells you then, ‘Look, here is the Messiah!’ or, ‘Over here!’ do not believe it!

Mark 13:21

“Then if anyone tells you, ‘Look, here is the Messiah! Look—there!’ do not believe it!

Luke 21:8

Then He said, “Watch out that you are not deceived. For many will come in My name, saying, ‘I am He,’ and, ‘The time is near.’ Don’t follow them.

Acts 20:29

I know that after my departure savage wolves will come in among you, not sparing the flock.

Romans 16:18-19

for such people do not serve our Lord Christ but their own appetites. They deceive the hearts of the unsuspecting with smooth talk and flattering words.

2 Timothy 3:13

Evil people and impostors will become worse, deceiving and being deceived.

Treasury of Scripture Knowledge

Summary

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

Bible References

Believe not

Deuteronomy 13:1
“If a prophet or someone who has dreams arises among you and proclaims a sign or wonder to you,
Proverbs 14:15
The inexperienced one believes anything,
but the sensible one watches his steps.
Jeremiah 5:31
The prophets prophesy falsely,
and the priests rule by their own authority.
My people love it like this.
But what will you do at the end of it?
Jeremiah 29:8
For this is what the Lord of Hosts, the God of Israel, says: “Don’t let your prophets who are among you and your diviners deceive you, and don’t listen to the dreams you elicit from them,
Matthew 7:15
“Beware of false prophets who come to you in sheep’s clothing but inwardly are ravaging wolves.
Matthew 24:4
Then Jesus replied to them: “Watch out that no one deceives you.
Romans 16:18
for such people do not serve our Lord Christ but their own appetites. They deceive the hearts of the unsuspecting with smooth talk and flattering words.
2 Peter 2:1
But there were also false prophets among the people, just as there will be false teachers among you. They will secretly bring in destructive heresies, even denying the Master who bought them, and will bring swift destruction on themselves.

Try

Luke 12:57
“Why don’t you judge for yourselves what is right?
Acts 17:11
The people here were more open-minded than those in Thessalonica, since they welcomed the message with eagerness and examined the Scriptures daily to see if these things were so.
Romans 16:19
The report of your obedience has reached everyone. Therefore I rejoice over you. But I want you to be wise about what is good, yet innocent about what is evil.
1 Corinthians 14:29
Two or three prophets should speak, and the others should evaluate.
1 Thessalonians 5:21
but test all things.
Hold on to what is good.
Revelation 2:2
I know your works, your labor, and your endurance, and that you cannot tolerate evil. You have tested those who call themselves apostles and are not, and you have found them to be liars.

General references

Deuteronomy 18:21
You may say to yourself, ‘How can we recognize a message the Lord has not spoken?’
Proverbs 19:27
If you stop listening to correction, my son,
you will stray from the words of knowledge.
Matthew 24:11
Many false prophets will rise up and deceive many.
John 8:47
The one who is from God listens to God’s words. This is why you don’t listen, because you are not from God.”
1 Corinthians 14:32
And the prophets’ spirits are under the control of the prophets,

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.