Isaiah 37 tells how King Hezekiah of Judah faced a written threat from the mighty Assyrian army and carried it straight into the temple. People read this chapter for a plain answer to a hard question: what does faith look like when an enemy is closing in and the odds seem impossible? The chapter answers that God hears the prayers of those who bring him their fear, and that he defends his people for his own name’s sake.
Isaiah 37 Summary
The chapter opens with Hezekiah receiving the Assyrian messengers’ taunts, which had been delivered on behalf of King Sennacherib. Hezekiah responds with grief and humility: he tears his clothes, puts on sackcloth, and goes into the house of the LORD. He then sends officials to the prophet Isaiah, asking him to pray for the remnant that remains, and Isaiah replies with a firm word that the threat will not stand.
Hezekiah, holding the letter, spreads it before the LORD and prays one of the most direct prayers in the Old Testament. He acknowledges that the LORD alone is God over all the kingdoms of the earth, and he asks God to see and hear the insults aimed at him. Isaiah then delivers God’s answer, which turns the mocking words back on the Assyrian king and promises that Jerusalem will be spared.
The chapter closes with a dramatic reversal. In a single night the angel of the LORD strikes down a vast Assyrian force, Sennacherib withdraws to Nineveh, and he is later murdered by his own sons while worshiping his god. The story ends with the threat removed and the city standing.
Background and Setting
Isaiah is traditionally attributed to the prophet Isaiah son of Amoz, who ministered in Jerusalem during the late eighth century BC. Chapters 36 to 39 form a historical section that mirrors 2 Kings 18 to 20, and many scholars read them as a bridge between the prophecies of judgment earlier in the book and the message of comfort that follows. Chapter 37 belongs to the reign of Hezekiah, when Assyria under Sennacherib pressed hard against Judah around 701 BC.
The book was written for the people of Judah and Jerusalem, who needed to know whether trust in the LORD still meant something in a time of foreign domination. Placed in the middle of the book, Isaiah 37 shows what faithful dependence on God looks like in practice, and it sets up the later chapters that speak of God’s comfort and his plan for his people.
Isaiah 37 Section by Section
Verses 1-7: The King Who Goes to the Temple
1 When king Hezekiah heard it, he tore his clothes, covered himself with sackcloth, and went into the LORD’s house. 2 He sent Eliakim, who was over the household, and Shebna the scribe, and the elders of the priests, covered with sackcloth, to Isaiah the prophet, the son of Amoz.
Isaiah 37:1-2 (WEB)
Hezekiah’s first response to the threat is not to call a council of war or to bargain with Assyria. He tears his clothes, dresses in sackcloth, and goes straight to the house of the LORD. That gesture says plainly where his confidence lies, and it shows that he takes the insult to God as seriously as the threat to his city.
Hezekiah then sends trusted officials to Isaiah, asking him to lift up prayer for the remnant that is left. Isaiah answers that the words of the Assyrian mockers will not succeed, because God himself will move Sennacherib to return home and fall in his own land. The king’s obedience and the prophet’s assurance work together in this section.
Verses 8-20: The Letter and the Prayer
14 Hezekiah received the letter from the hand of the messengers and read it. Then Hezekiah went up to the LORD’s house, and spread it before the LORD. 15 Hezekiah prayed to the LORD, saying, 16 “The LORD of Armies, the God of Israel, who is enthroned among the cherubim, you are the God, even you alone, of all the kingdoms of the earth. You have made heaven and earth.
Isaiah 37:14-16 (WEB)
Sennacherib sends a letter that repeats the arrogance of his messengers and mocks the God of Israel as though he were no stronger than the gods of conquered nations. Hezekiah takes the letter into the temple and spreads it out before the LORD, a physical act that turns the threat into a petition. He does not hide the words from God, and he does not pretend they are harmless.
His prayer is theologically sharp. He addresses the LORD as the God enthroned above the cherubim and the Creator of heaven and earth, and he contrasts the lifeless idols of other nations with the living God. He asks God to save Judah so that all the kingdoms of the earth will know that he alone is LORD. The prayer rests on God’s own honor rather than on Judah’s strength.
Verses 21-29: The Word Against Sennacherib
22 This is the word which the LORD has spoken concerning him. The virgin daughter of Zion has despised you and ridiculed you. The daughter of Jerusalem has shaken her head at you. 23 Whom have you defied and blasphemed? Against whom have you exalted your voice and lifted up your eyes on high? Against the Holy One of Israel.
Isaiah 37:22-23 (WEB)
Isaiah’s reply begins with the assurance that Hezekiah’s prayer has been heard. The Assyrian king has defied the Holy One of Israel, and the prophet describes the boasting with a picture of a proud woman mocking a city that will not fall. The sharp irony shows that the arrogance of empire is no match for the one who sees and answers every word.
Isaiah then recalls how God had shaped history long before Sennacherib arrived. The Assyrian power is presented as a tool in God’s hands, and its success is temporary because God knows where the king sits, when he goes out and comes in, and how he rages. The image of a hook in the nose and a bridle in the lips shows that the king will be led back the way he came.
Verses 30-32: The Sign and the Remnant
31 The remnant that is escaped of the house of Judah will again take root downward, and bear fruit upward. 32 For out of Jerusalem a remnant will go out, and survivors will escape from Mount Zion. The zeal of the LORD of Armies will perform this.’
Isaiah 37:31-32 (WEB)
God gives Hezekiah a sign for the coming years: the people will eat what grows of its own accord for two years, then return to normal farming in the third. The sign speaks of recovery after devastation, with ordinary life slowly restored. It is a sign of hope grounded in God’s faithfulness to the land and to the people who remain.
The promise of a remnant that takes root and bears fruit points beyond the immediate crisis. Out of Jerusalem a remnant will survive, and the zeal of the LORD of hosts will bring this about. The passage affirms that God keeps faith with his people even when most of the nation has been stripped away.
Verses 33-38: The Angel, the Retreat, and the Assassination
35 ‘For I will defend this city to save it, for my own sake, and for my servant David’s sake.’” 36 Then the LORD’s angel went out and struck one hundred and eighty-five thousand men in the camp of the Assyrians. When men arose early in the morning, behold, these were all dead bodies.
Isaiah 37:35-36 (WEB)
God’s answer to Hezekiah is that Sennacherib will not enter Jerusalem, shoot an arrow there, or build siege works against it. The reason given is God’s own defense of the city and his promise to David. The chapter’s central claim is that the safety of Jerusalem rests on the LORD’s commitment, not on the king’s wall or army.
That night the angel of the LORD strikes down a great number of Assyrian soldiers. Sennacherib withdraws to Nineveh, and later he is killed by his own sons while worshiping his god. The chapter ends with the enemy’s humiliation and a quiet reminder that the power of empires has limits that only God sets.
Key Themes in Isaiah 37
- Prayer in crisis: Hezekiah takes his fear directly to God, spreading the enemy’s letter before him rather than trying to handle the danger alone.
- God’s honor: The chapter repeatedly ties the outcome to the LORD’s own name, showing that his reputation among the nations is at stake.
- Sovereignty over empires: Assyria’s power is real but limited, and God directs even the proud king’s movements and his fate.
- The faithful remnant: God preserves a people through judgment, promising that survivors will take root and bear fruit again.
Lessons From Isaiah 37 for Today
Consider a parent who receives a frightening diagnosis for a child and feels the pressure of a hundred unanswered questions. Hezekiah’s example suggests starting not with a list of worries but with honest prayer, laying the letter of bad news before God the way the king laid the Assyrian message in the temple. That habit keeps fear from setting the terms of the conversation.
A small business owner watching a larger competitor send hostile messages can find the chapter’s perspective helpful. Isaiah reminds the king that the boasting of rivals is not the final word, and that God sees how people speak against those he has set apart. Faith in that situation means doing the right work and trusting God with the outcome rather than retaliating in kind.
Questions for Reflection
- What does Hezekiah’s decision to go to the temple before doing anything else teach you about where you turn first in a crisis?
- Where in your life do you need to spread out a difficult letter or report before the Lord, rather than carrying it alone?
- How does knowing that God is sovereign over powerful people change the way you think about the leaders and pressures you face?
- What might it look like to trust God for a future you cannot yet see, as the sign of eating what grows of itself suggests?
- In what ways has God preserved a remnant of hope in your own story after a season of loss?
A Prayer From Isaiah 37
Lord, you are the God of all the kingdoms of the earth, and nothing that threatens me is outside your sight. I bring you the letters I have been afraid to open and the words that have been spoken against me. Turn your ear and hear, and open your eyes and see what I cannot fix on my own. Save me and those I love, so that others may know that you alone are Lord. Let my trust rest in your faithfulness rather than in my strength. Amen.
Frequently Asked Questions
Who is Sennacherib in Isaiah 37?
Sennacherib was the king of Assyria who invaded Judah during the reign of Hezekiah around 701 BC. He sent officials and a letter to Jerusalem to demand surrender and mock the God of Israel. The chapter records his withdrawal after the LORD intervened.
Why did Hezekiah spread the letter before the LORD?
Hezekiah took the written threat into the temple and laid it out before God as a way of bringing the danger into his presence. The act shows that he trusted God to see and answer the insults. It turned a political threat into a direct appeal to the Lord.
What happened to the Assyrian army in Isaiah 37?
The angel of the LORD struck down 185,000 soldiers in the Assyrian camp in one night. In the morning the bodies were found, and Sennacherib left and returned to Nineveh. The chapter presents the event as a direct act of God in defense of Jerusalem.
