What Does Deuteronomy 18:21 Mean?
And if you say in your heart, How shall we perceive the word the LORD has not spoken?
Key words are shown with the Hebrew or Greek and what each word meant.
Selah Decoded Version The Selah Decoded Version renders what the Hebrew and Greek words meant to the people who first heard them.
King James wording
King James Version
And if thou say in thine heart, How shall we know the word which the LORD hath not spoken?THE KEY
The Hebrew ties “the word” and “spoken” to one root, so the question is whether the utterance truly comes from the source it claims.
THE MEANING
The question is alive in the reader’s own heart: when a word claims the LORD as its source, how is that source known? The Hebrew connects “word” and “spoken,” while “know” asks for perception of the utterance’s source. The verse gives this question a place without treating the claim itself as proof.
WHAT THIS UNDOES
A message does not become the LORD’s word merely because someone attributes it to him.
THE ROOT
הַדָּבָר
haddāḇār
GROWS FROM
ד־ב־ר
To speak; as a noun, davar can mean word, matter, or affair.
English presents “word” and “spoken” as separate ideas, but both come from ד־ב־ר: the noun and the act of speaking carry one root. The question concerns the source of the utterance itself, whether this word belongs to the LORD’s speech.
ALSO GROWS
dāḇār: Word, matter, or affair.
דָּבָר
This is the word whose source the verse asks how to recognize.
dibbēr: He spoke.
דִּבֵּר
This form of the same root appears in “which the LORD hath not spoken.”
נֵדַע
nēdaʿ
GROWS FROM
י־ד־ע
To know, perceive, or recognize.
“perceive” in this verse is nēdaʿ. Yada can name knowing and perceiving, while daʿat names knowledge. Here the question is how to recognize the source of a claimed utterance, not merely how to hear its claim.
ALSO GROWS
yādaʿ: To know or perceive.
יָדַע
This is the root behind “How shall we know,” the verse’s question of recognition.
daʿat: Knowledge or understanding.
דַּעַת
This related form shows the same root carrying the idea of what is known or understood.
THE PATTERN
A claim that bears divine authority is discerned through testing and its observable fruit.
When the prophet speaks in the nature of the LORD, if the word does not come to be, nor arrive, it is the word the LORD has not spoken, but the prophet has spoken it in a boiling over. You shall not cower from him.Beloved, do not lean your weight on every breath, but test the breaths, whether they come out of God, for many false prophets have gone out into the world.You will know them by their fruits. Do people gather grapes from thorns, or figs from thistles?THE THREAD
When the prophet speaks in the nature of the LORD, if the word does not come to be, nor arrive, it is the word the LORD has not spoken, but the prophet has spoken it in a boiling over. You shall not cower from him.The noun “word” and the verb “spoken” in verse 21 both grow from ד־ב־ר; verse 22 repeats that root as it names the test. It makes the question concrete: the source of the claimed word is discerned by whether what was spoken comes to pass.
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