What does Isaiah 42:12 mean?
What is the meaning of Isaiah 42:12?

Let them

The verse begins with an open invitation—“Let them.” The Spirit, through Isaiah, is widening the circle of worship beyond Israel’s borders.

• The immediate context (Isaiah 42:10-11) names desert tribes and coastal peoples, signaling an outreach to every kind of community.

Psalm 148:11-13 echoes this same inclusive call: “kings of the earth and all peoples… let them praise the name of the LORD”.

• By using a permissive “let,” God graciously beckons rather than coerces, showing that true worship is willingly offered love (Joshua 24:15).


give glory to the LORD

Glory belongs exclusively to the covenant-keeping God. Giving it back is our proper response.

1 Chronicles 16:28-29 urges, “Ascribe to the LORD the glory due His name”—the identical idea Isaiah highlights.

Psalm 115:1 keeps the focus right: “Not to us, O LORD, not to us, but to Your name give glory”.

Revelation 14:7 carries this forward to the end-times call: “Fear God and give Him glory, because the hour of His judgment has come”.

Practical implications:

– Acknowledge God’s character—His holiness, power, love.

– Credit Him openly for every blessing and victory.

– Resist the cultural pull toward self-exaltation.


and declare His praise

Glory offered privately is incomplete until praise is declared publicly.

Psalm 96:2-3 makes the connection clear: “Proclaim His salvation day after day. Declare His glory among the nations”.

Isaiah 12:4 envisions redeemed people saying, “Give thanks to the LORD; proclaim His name”.

1 Peter 2:9 identifies believers as a royal priesthood “so that you may proclaim the excellencies of Him who called you”.

Ways to declare:

– Verbal testimony of God’s works.

– Songs of worship that center on His attributes.

– Acts of mercy that visibly reflect His goodness.


in the islands

The concluding phrase pushes praise to geographic edges. “Islands” (or “coastlands”) stands for remote places far from Jerusalem.

Isaiah 24:15 commands, “Therefore glorify the LORD in the east, and let the name of the LORD, the God of Israel, be glorified in the islands of the sea”.

Isaiah 49:1 records the Servant’s own voice: “Listen to Me, O islands”, previewing the gospel’s outward march.

Acts 13:47 cites Isaiah to justify Paul’s mission to the Gentiles, even as he launches from the island of Cyprus.

This scope anticipates Christ’s Great Commission (Matthew 28:19), making praise a global project until every corner of earth resounds with His name.


summary

Isaiah 42:12 issues a four-fold call:

1. An open invitation—any people, anywhere, may come.

2. A clear action—give the LORD the glory He alone deserves.

3. A public witness—speak and sing His praise so others hear.

4. A worldwide reach—the message is destined even for the far-off islands.

The verse assures us that God’s salvation plan is expansive, and our worship is meant to join that plan by exalting Him before all nations.

Why are the desert and its towns mentioned in Isaiah 42:11?
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