Deuteronomy 18:22

When a prophet speaks in the name of the LORD and the message does not come to pass or come true, that is a message the LORD has not spoken. The prophet has spoken presumptuously. Do not be afraid of him.

Berean Standard Bible
Other translations

King James Version

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.

World English Bible

When a prophet speaks in the LORD’s name, if the thing doesn’t follow, nor happen, that is the thing which the LORD has not spoken. The prophet has spoken it presumptuously. You shall not be afraid of him.

American Standard Version

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

Geneva Bible 1599

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

Darby Translation

When a prophet speaketh in the name of Jehovah, and the thing followeth not, nor cometh to pass, that is the word which Jehovah hath not spoken; the prophet hath spoken it presumptuously: be not afraid of him.

Young's Literal Translation

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.

Bible in Basic English

When a prophet makes a statement in the name of the Lord, if what he says does not take place and his words do not come true, then his word is not the word of the Lord: the words of the prophet were said in the pride of his heart, and you are to have no fear of him.

In context

21You may ask in your heart, “How can we recognize a message that the LORD has not spoken?”

Read Deuteronomy 18