What Does Isaiah 1:18 Mean?
Come now, and let us lay it out together, says the LORD. Though your falling short be as scarlet, it shall be whitened as snow. Though it be red like crimson, it shall be as wool.
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
Come now, and let us reason together, saith the LORD: though your sins be as scarlet, they shall be as white as snow; though they be red like crimson, they shall be as wool.THE KEY
The stain is described at full intensity, yet its color is not its final condition.
THE MEANING
The LORD meets you with an invitation to bring what is stained into the open with him. The missing is named plainly, but it does not define the ending: scarlet and crimson become the whiteness of snow and wool.
WHAT THIS UNDOES
The lie that naming your missing only fixes you in guilt. Here, honest examination is paired with a promised change.
THE ROOT
וְנִוָּכְחָה
wənivvakhah
GROWS FROM
יכח
To decide, prove, or settle a case; in some forms, to reprove.
“lay it out together” in this verse is wənivvakhah. The English “reason” can sound like a calm exchange of opinions, but this root carries the weight of proving, correcting, and deciding a case. The invitation is to bring the real condition into the open, where the result is not simply the stain: the next words describe it turning white.
ALSO GROWS
wəhôḵîaḥ: And he shall arbitrate or rebuke.
וְהוֹכִיחַ
This form appears as “rebuke” in Isaiah 2:4, showing that the root can name a direct settling of what is wrong.
tôḵēḥâ: Reproof or correction.
תּוֹכֵחָה
This branch makes clear that the shared root involves examination that can expose and address a condition.
חֲטָאֵיכֶם
ḥaṭṭāʾêḵem
GROWS FROM
חטא
To miss, go wrong, or miss a mark.
“falling short” in this verse is ḥaṭṭāʾêḵem. The word translated “sins” grows from a root whose core is missing or going wrong. That gives the stain a precise shape, a real missing that can be exposed and addressed, rather than a name for the reader’s permanent nature.
ALSO GROWS
ḥāṭāʾ: To miss or do wrong.
חָטָא
The verb carries the root’s concrete sense of missing, which gives “sins” more texture than a fixed label.
ḥaṭṭāʾt: A missing; in ritual contexts, an offering for the missing.
חַטָּאת
The same root can name both the missing and an offering associated with it, echoing the verse’s movement from exposed stain toward change.
THE PATTERN
What is stained is brought into view and washed or removed, and a changed condition follows.
Remove my falling short with hyssop, and I am clean; tread me, and I am whiter than snow.And he answered and said to those standing before him, Lift the soiled garments off him. And to him he said, Look, I have caused your crookedness to cross over from you, and I will clothe you with a change of garments.And I say to him, My lord, you know. And he says to me, These are the ones who come out of the great pressure, and they have washed their robes and made them white in the blood of the Lamb.THE THREAD
And he shall judge among the nations, and shall set right many peoples; and they shall beat their swords into plowshares, and their spears into pruninghooks. Nation shall not lift up sword against nation, neither shall they train for war anymore.“Reason together” in Isaiah 1:18 comes from יכח, the same root behind “rebuke” here. In Isaiah 2:4, the root stands within a judgment after which weapons become tools for cultivation, opening the movement from an exposed condition toward a changed one.
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