Jeremiah 23:16

Thus saith Jehovah of hosts: Hearken not unto the words of the prophets that prophesy unto you: they lead you to vanity; they speak a vision of their own heart, not out of the mouth of Jehovah.

Jeremiah 14:14

And Jehovah said unto me, The prophets prophesy falsehood in my name; I have not sent them, neither have I commanded them, nor spoken unto them: they prophesy unto you a false vision, and divination, and a thing of nought, and the deceit of their heart.

Jeremiah 27:9-10

And ye, hearken not to your prophets, nor to your diviners, nor to your dreamers, nor to your soothsayers, nor to your sorcerers, who speak unto you saying: Ye shall not serve the king of Babylon.

Matthew 7:15

But beware of false prophets, which come to you in sheep's clothing, but within are ravening wolves.

Jeremiah 23:21

I did not send the prophets, yet they ran; I have not spoken to them, yet they prophesied.

Jeremiah 23:26

How long shall this be in the heart of the prophets who prophesy falsehood, and who are prophets of the deceit of their own heart?

Jeremiah 27:14-17

And hearken not unto the words of the prophets that speak unto you, saying, Ye shall not serve the king of Babylon; for they prophesy falsehood unto you.

Ezekiel 13:3

Thus saith the Lord Jehovah: Woe unto the foolish prophets, that follow their own spirit, and have seen nothing!

Ezekiel 13:6

They have seen vanity and lying divination, that say, Jehovah saith! and Jehovah hath not sent them; and they make them to hope that the word will be fulfilled.

2 Corinthians 11:13-15

For such are false apostles, deceitful workers, transforming themselves into apostles of Christ.

Galatians 1:8-9

But if even we or an angel out of heaven announce as glad tidings to you anything besides what we have announced as glad tidings to you, let him be accursed.

1 John 4:1

Beloved, believe not every spirit, but prove the spirits, if they are of God; because many false prophets are gone out into the world.

2 Kings 17:15

And they rejected his statutes, and his covenant which he had made with their fathers, and his testimonies which he had testified unto them; and they followed vanity and became vain, and went after the nations that were round about them, concerning whom Jehovah had charged them that they should not do like them.

Proverbs 19:27

Cease, my son, to hear the instruction which causeth to stray from the words of knowledge.

Jeremiah 2:5

Thus saith Jehovah: What injustice have your fathers found in me, that they are gone far from me, and have walked after vanity, and become vain?

Jeremiah 9:20

Hear then the word of Jehovah, ye women, and let your ear receive the word of his mouth, and teach your daughters wailing, and each one her companion lamentation.

Jeremiah 29:8

For thus saith Jehovah of hosts, the God of Israel: Let not your prophets that are in your midst, nor your diviners deceive you, neither hearken to your dreams, which ye like to dream.

Ezekiel 13:16

the prophets of Israel who prophesy concerning Jerusalem, and who see a vision of peace for her, and there is no peace, saith the Lord Jehovah.

Ezekiel 13:23

therefore ye shall no more see vanity, nor divine divinations; and I will deliver my people out of your hand: and ye shall know that I am Jehovah.

Ezekiel 22:28

And her prophets have daubed for them with untempered mortar, seeing vanity and divining lies unto them, saying, Thus saith the Lord Jehovah! and Jehovah hath not spoken.

Micah 2:11

If a man walking in wind and falsehood do lie, saying, I will prophesy unto thee of wine and of strong drink, he shall be the prophet of this people.

Romans 1:21

Because, knowing God, they glorified him not as God, neither were thankful; but fell into folly in their thoughts, and their heart without understanding was darkened:

Treasury of Scripture Knowledge

Summary

Thus saith the LORD of hosts, Hearken not unto the words of the prophets that prophesy unto you: they make you vain: they speak a vision of their own heart, and not out of the mouth of the LORD.

Bible References

Hearken

Jeremiah 27:9
And ye, hearken not to your prophets, nor to your diviners, nor to your dreamers, nor to your soothsayers, nor to your sorcerers, who speak unto you saying: Ye shall not serve the king of Babylon.
Jeremiah 29:8
For thus saith Jehovah of hosts, the God of Israel: Let not your prophets that are in your midst, nor your diviners deceive you, neither hearken to your dreams, which ye like to dream.
Proverbs 19:27
Cease, my son, to hear the instruction which causeth to stray from the words of knowledge.
Matthew 7:15
But beware of false prophets, which come to you in sheep's clothing, but within are ravening wolves.
2 Corinthians 11:13
For such are false apostles, deceitful workers, transforming themselves into apostles of Christ.
Galatians 1:8
But if even we or an angel out of heaven announce as glad tidings to you anything besides what we have announced as glad tidings to you, let him be accursed.
1 John 4:1
Beloved, believe not every spirit, but prove the spirits, if they are of God; because many false prophets are gone out into the world.

They make

Jeremiah 2:5
Thus saith Jehovah: What injustice have your fathers found in me, that they are gone far from me, and have walked after vanity, and become vain?
2 Kings 17:15
And they rejected his statutes, and his covenant which he had made with their fathers, and his testimonies which he had testified unto them; and they followed vanity and became vain, and went after the nations that were round about them, concerning whom Jehovah had charged them that they should not do like them.
Romans 1:21
Because, knowing God, they glorified him not as God, neither were thankful; but fell into folly in their thoughts, and their heart without understanding was darkened:

A vision

Jeremiah 23:21
I did not send the prophets, yet they ran; I have not spoken to them, yet they prophesied.
Jeremiah 14:14
And Jehovah said unto me, The prophets prophesy falsehood in my name; I have not sent them, neither have I commanded them, nor spoken unto them: they prophesy unto you a false vision, and divination, and a thing of nought, and the deceit of their heart.
Ezekiel 13:3
Thus saith the Lord Jehovah: Woe unto the foolish prophets, that follow their own spirit, and have seen nothing!
Ezekiel 22:28
And her prophets have daubed for them with untempered mortar, seeing vanity and divining lies unto them, saying, Thus saith the Lord Jehovah! and Jehovah hath not spoken.
Micah 2:11
If a man walking in wind and falsehood do lie, saying, I will prophesy unto thee of wine and of strong drink, he shall be the prophet of this people.