Isaiah 54:17 Meaning and Explanation
“No weapon that is formed against thee shall prosper; and every tongue that shall rise against thee in judgment thou shalt condemn. This is the heritage of the servants of the LORD, and their righteousness is of me, saith the LORD.”
King James Version (KJV)
This study note uses an AI-assisted editorial workflow with source, duplication, and quality checks. See how verse explanations are prepared.
Read this verse in context with translation switching:
Read Full Chapter →God promises His people a settled safety, and reminds them the righteousness that holds them comes from Him.
The Context of Isaiah 54:17
The closing verse of Isaiah 54, a chapter of comfort to God people pictured as a once-barren woman now restored. After speaking of storms and afflictions, God seals the chapter with this promise of protection.
What Does Isaiah 54:17 Mean?
This promise comes at the end of a chapter full of tenderness toward people who had been battered and afraid. It names two kinds of attack: weapons that are formed, and tongues that rise up in accusation. God does not promise that no weapon will ever be aimed; He promises none will finally prosper, and no accusing voice will have the last word. Then the verse turns to the deepest comfort of all. This safety is called a 'heritage,' an inheritance, something handed down to the servants of the LORD. And the righteousness that secures it is not something they manufactured: 'their righteousness is of me, saith the LORD.'
That last line points ahead to the heart of the gospel. Our standing before God does not rest on a righteousness we scrape together; it is given. Paul rejoiced that in Christ we receive a righteousness 'which is of God by faith' (Philippians 3:9), and asked, 'who shall lay any thing to the charge of God elect?' (Romans 8:33). Every accusing tongue is answered at the cross. The safety here is not the absence of attack but the certainty that, held by God own righteousness, we cannot finally be condemned.
Isaiah 54:17 in the Original Language
nachalah (נַחֲלָה), 'heritage' -- an inheritance or possession passed down, something received as a settled gift, not earned.
Where Isaiah 54:17 Echoes in Scripture
Paul carries the same confidence into the New Testament: 'Who shall lay any thing to the charge of God elect? It is God that justifieth' (Romans 8:33), every accusing tongue silenced by the righteousness God gives.
How to Apply Isaiah 54:17 Today
When we feel under attack, whether by real opposition or by accusing voices within and without, this verse steadies us. The protection it promises is not a life free of weapons but the assurance that none will finally win, because our righteousness is God own gift. We can rest in a security we did not earn and cannot lose.