Old Testament
Isaiah 6:3
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They called out to one another, "Holy, holy, holy is the LORD of hosts! The whole earth is full of his glory!"
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And one cried unto another, and said, Holy, holy, holy, is the LORD of hosts: the whole earth is full of his glory.
What Isaiah 6:3 means
Plain-English insight for readers
In Isaiah 6:3, the seraphim, celestial beings, proclaim the holiness of God by repeating the word "holy" three times, emphasizing His absolute purity and separateness from sin. This declaration highlights God's majesty and the reverence He commands. The phrase "LORD of hosts" signifies His authority over all heavenly armies and creation. The statement that "the whole earth is full of his glory" reflects the idea that God's presence and splendor are evident throughout the world. This verse serves as a reminder of God's greatness and the awe He inspires in His creation. It invites believers to recognize the divine nature of God and to respond with worship and reverence. The repetition of "holy" also suggests the completeness of God's holiness, indicating that He is not just holy in part, but wholly and entirely so. This understanding of God's character encourages us to live in a way that honors His holiness and reflects His glory in our lives.
How to apply Isaiah 6:3 to your life
Recognizing God's holiness should inspire us to live with integrity and purpose. We can reflect His glory in our daily actions by treating others with love and respect, and by striving to align our lives with His teachings. Worship should be a central part of our lives.
Curated for this public verse page. Isaiah Summary
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Illustrated scene from Isaiah's story: Isaiah's Vision of the LORD (Isaiah 6:1–13)
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Isaiah

Photo: Diego Delso, via Wikimedia Commons. License: CC BY-SA 3.0. Source. Location: Tell es-Sultan, Jericho, West Bank. Resized for the web.
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Jericho
The city of palm trees, whose walls fell in Joshua's day.
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Keep studying Isaiah 6:3
Related Bible verses
Key themes
At a Glance — the Book of Isaiah
- Author
- Isaiah the prophet
- Written
- Around 700 BC
- Genre
- Prophecy
- Original Audience
- Judah and the surrounding nations
Frequently Asked Questions
Quick, clear answers about this verse
What does Isaiah 6:3 mean?
Isaiah 6:3 describes seraphim proclaiming God's holiness by repeating 'holy' three times, emphasizing His purity and separateness from sin. It highlights God's majesty and the reverence He commands, reminding us of His greatness and the awe He inspires.
What is the significance of 'Holy, holy, holy' in Isaiah 6:3?
The repetition of 'Holy, holy, holy' in Isaiah 6:3 signifies the completeness of God's holiness, indicating that He is entirely pure and separate from sin. This phrase underscores the depth of His divine nature and the reverence He deserves.
What does 'the whole earth is full of his glory' mean in Isaiah 6:3?
The phrase 'the whole earth is full of his glory' in Isaiah 6:3 expresses that God's presence and splendor are evident throughout creation. It signifies that His greatness is not limited to a specific place but is visible everywhere.
How does Isaiah 6:3 relate to worship?
Isaiah 6:3 serves as a reminder of God's holiness and majesty, inviting believers to respond with worship and reverence. Recognizing God's glory encourages us to make worship a central part of our lives.
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