Deuteronomy 18:22

that which the prophet speaketh in the name of Jehovah, and the thing is not, and cometh not -- it is the word which Jehovah hath not spoken; in presumption hath the prophet spoken it; -- thou art not afraid of him.

Deuteronomy 18:20

Only, the prophet who presumeth to speak a word in My name -- that which I have not commanded him to speak -- and who speaketh in the name of other gods -- even that prophet hath died.

Deuteronomy 13:1-2

'When there ariseth in your midst a prophet, or a dreamer of a dream, and he hath given unto thee a sign or wonder,

2 Kings 20:1

In those days hath Hezekiah been sick unto death, and come unto him doth Isaiah son of Amoz the prophet, and saith unto him, 'Thus said Jehovah: Give a charge to thy house, for thou art dying, and dost not live.'

Proverbs 26:2

As a bird by wandering, as a swallow by flying, So reviling without cause doth not come.

Isaiah 41:22

They bring nigh, and declare to us that which doth happen, The first things -- what they are declare ye, And we set our heart, and know their latter end, Or the coming things cause us to hear.

Jeremiah 28:1-17

And it cometh to pass, in that year, in the beginning of the reign of Zedekiah king of Judah, in the fourth year, in the fifth month, spoken unto me hath Hananiah son of Azur the prophet, who is of Gibeon, in the house of Jehovah, before the eyes of the priests, and all the people, saying,

Jonah 3:4

And Jonah beginneth to go in to the city a journey of one day, and proclaimeth, and saith, 'Yet forty days -- and Nineveh is overturned.'

Jonah 4:2

and he prayeth unto Jehovah, and he saith, 'I pray Thee, O Jehovah, is not this my word while I was in mine own land -- therefore I was beforehand to flee to Tarshish -- that I have known that Thou art a God, gracious and merciful, slow to anger, and abundant in kindness, and repenting of evil?

Zechariah 1:5-6

Your fathers -- where are they? And the prophets -- to the age do they live?

Treasury of Scripture Knowledge

Summary

When a prophet speaketh in the name of the LORD, if the thing follow not, nor come to pass, that is the thing which the LORD hath not spoken, but the prophet hath spoken it presumptuously: thou shalt not be afraid of him.

Shalt not

General references

Bible References

Speaketh

Isaiah 41:22
They bring nigh, and declare to us that which doth happen, The first things -- what they are declare ye, And we set our heart, and know their latter end, Or the coming things cause us to hear.
Jeremiah 28:1
And it cometh to pass, in that year, in the beginning of the reign of Zedekiah king of Judah, in the fourth year, in the fifth month, spoken unto me hath Hananiah son of Azur the prophet, who is of Gibeon, in the house of Jehovah, before the eyes of the priests, and all the people, saying,

If the thing

Deuteronomy 13:2
and the sign and the wonder hath come which he hath spoken of unto thee, saying, Let us go after other gods (which thou hast not known), and serve them,
2 Kings 20:1
In those days hath Hezekiah been sick unto death, and come unto him doth Isaiah son of Amoz the prophet, and saith unto him, 'Thus said Jehovah: Give a charge to thy house, for thou art dying, and dost not live.'
Jonah 3:4
And Jonah beginneth to go in to the city a journey of one day, and proclaimeth, and saith, 'Yet forty days -- and Nineveh is overturned.'
Jonah 4:2
and he prayeth unto Jehovah, and he saith, 'I pray Thee, O Jehovah, is not this my word while I was in mine own land -- therefore I was beforehand to flee to Tarshish -- that I have known that Thou art a God, gracious and merciful, slow to anger, and abundant in kindness, and repenting of evil?
Zechariah 1:5
Your fathers -- where are they? And the prophets -- to the age do they live?

Shalt not

Proverbs 26:2
As a bird by wandering, as a swallow by flying, So reviling without cause doth not come.

General references

Deuteronomy 13:2
and the sign and the wonder hath come which he hath spoken of unto thee, saying, Let us go after other gods (which thou hast not known), and serve them,
1 Kings 13:5
and the altar is rent, and the ashes poured forth from the altar, according to the sign that the man of God had given by the word of Jehovah.