Old Testament
Isaiah 37:21
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Then Isaiah son of Amoz sent a message to Hezekiah: "The LORD, the God of Israel, says: 'Because you prayed to me about Sennacherib king of Assyria,
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Then Isaiah the son of Amoz sent unto Hezekiah, saying, Thus saith the LORD God of Israel, Whereas thou hast prayed to me against Sennacherib king of Assyria:
What Isaiah 37:21 means
Plain-English insight for readers
In this verse, the prophet Isaiah conveys a message from God to King Hezekiah of Judah. God acknowledges Hezekiah's prayer regarding Sennacherib, the king of Assyria, who was threatening Jerusalem. This moment highlights the importance of prayer and seeking divine guidance in times of crisis. God reassures Hezekiah that He has heard his plea and is aware of the situation. The context shows that Hezekiah was facing a formidable enemy, and instead of relying on military strength, he turned to God for help. This response from God emphasizes His willingness to intervene on behalf of those who earnestly seek Him. It serves as a reminder that prayer is a powerful tool in overcoming challenges and that God is attentive to the needs of His people. The verse sets the stage for God's forthcoming actions against Assyria, demonstrating His sovereignty and protection over Jerusalem.
How to apply Isaiah 37:21 to your life
When facing overwhelming challenges, remember to turn to God in prayer. Just as Hezekiah sought God's help, we too can find strength and guidance through our faith. Trust that God hears our prayers and is actively involved in our lives, ready to support us in difficult times.
Curated for this public verse page. Isaiah Summary
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Illustrated scene from Isaiah's story: The LORD Defends Jerusalem (Isaiah 37:1–38)
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Isaiah

Photo: Photochrom print, Library of Congress Prints and Photographs Division (LCCN 2002724987). License: Public domain in the United States; Library of Congress states no known restrictions on publication. Source. Location: Hebron, West Bank; print preserved by the Library of Congress. Resized for the web.
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Where Abraham lived and buried Sarah, and where David was first made king.
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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 37:21 mean?
Isaiah 37:21 conveys God's response to King Hezekiah's prayer about the threat from Sennacherib, the king of Assyria. It emphasizes the importance of seeking God's help in times of crisis and reassures that God hears and acknowledges the prayers of His people.
What is the significance of prayer in Isaiah 37:21?
In Isaiah 37:21, prayer is shown as a vital means of communication with God, especially in dire situations. Hezekiah's prayer leads to God's assurance of support, highlighting that sincere prayer can invoke divine intervention.
What does God promise in Isaiah 37:21?
In Isaiah 37:21, God promises to respond to Hezekiah's plea regarding Sennacherib's threat. This indicates God's readiness to protect His people and act on their behalf when they earnestly seek Him.
How does Isaiah 37:21 relate to faith?
Isaiah 37:21 illustrates the relationship between faith and prayer, showing that Hezekiah's trust in God leads him to seek divine help. It reinforces the idea that faith can empower individuals to confront overwhelming challenges.
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