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Isaiah 21

ScriptureDepth's study of Isaiah 21

“For the Lord said to me, “Go, set a watchman. Let him declare what he sees.”

Isaiah 21:6

The Lord commands the prophet to set a watchman, directing vigilance for impending judgment, particularly concerning Babylon’s fall in verses 9-10.

What Isaiah 21 is about

The burden of the wilderness of the sea introduces a vision of calamity, with treachery and destruction approaching (vv. 1-2). The prophet expresses distress, experiencing anguish and horror (vv. 3-4). A call to vigilance arises; a watchman is set to observe and report (vv. 5-8). The announcement declares that ‘Fallen, fallen is Babylon,’ and the idols of her gods are destroyed (vv. 9-10). An oracle against Dumah follows, with a call from Seir asking, ‘Watchman, what of the night?’ (vv. 11-12). Next, the burden on Arabia details the caravans of Dedanites bringing aid to fugitives (vv. 13-15). Finally, judgment on Kedar is pronounced, stating that within a year, the glory of Kedar will fail and the mighty men will be few (vv. 16-17).

Yahweh has spoken judgment against Kedar, leaving the fate of the nations under divine decree.

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Isaiah 21 at a glance

  1. Isaiah 21:1–2Introduction of the Burden
  2. Isaiah 21:3–4Prophet's Distress
  3. Isaiah 21:5–8Call to Vigilance
  4. Isaiah 21:9–10Announcement of Babylon's Fall
  5. Isaiah 21:11–12Oracle Against Dumah
  6. Isaiah 21:13–15Burden on Arabia
  7. Isaiah 21:16–17Judgment on Kedar

Key verse: Isaiah 21:6

Summary and study helps: AI-drafted (September 2026), checked by automated Scripture gates. Spotted an error? Report it. Fixes are listed on the corrections page.

Chapter text

Read Isaiah 21 (WEB)

Introduction of the Burden Isaiah 21:1–2

Verse 1. The burden of the wilderness of the sea. As whirlwinds in the South sweep through, it comes from the wilderness, from an awesome land. Verse 2. A grievous vision is declared to me. The treacherous man deals treacherously, and the destroyer destroys. Go up, Elam; attack! I have stopped all of Media’s sighing.

Prophet's Distress Isaiah 21:3–4

Verse 3. Therefore my thighs are filled with anguish. Pains have taken hold on me, like the pains of a woman in labor. I am in so much pain that I can’t hear. I so am dismayed that I can’t see. Verse 4. My heart flutters. Horror has frightened me. The twilight that I desired has been turned into trembling for me.

Call to Vigilance Isaiah 21:5–8

Verse 5. They prepare the table. They set the watch. They eat. They drink. Rise up, you princes, oil the shield! Verse 6. For the Lord said to me, “Go, set a watchman. Let him declare what he sees. Verse 7. When he sees a troop, horsemen in pairs, a troop of donkeys, a troop of camels, he shall listen diligently with great attentiveness.” Verse 8. He cried like a lion: “Lord, I stand continually on the watchtower in the daytime, and every night I stay at my post.

Announcement of Babylon's Fall Isaiah 21:9–10

Verse 9. Behold, here comes a troop of men, horsemen in pairs.” He answered, “Fallen, fallen is Babylon; and all the engraved images of her gods are broken to the ground. Verse 10. You are my threshing, and the grain of my floor!” That which I have heard from Yahweh of Armies, the God of Israel, I have declared to you.

Oracle Against Dumah Isaiah 21:11–12

Verse 11. The burden of Dumah. One calls to me out of Seir, “Watchman, what of the night? Watchman, what of the night?” Verse 12. The watchman said, “The morning comes, and also the night. If you will inquire, inquire. Come back again.”

Burden on Arabia Isaiah 21:13–15

Verse 13. The burden on Arabia. In the forest in Arabia you will lodge, you caravans of Dedanites. Verse 14. They brought water to him who was thirsty. The inhabitants of the land of Tema met the fugitives with their bread. Verse 15. For they fled away from the swords, from the drawn sword, from the bent bow, and from the heat of battle.

Judgment on Kedar Isaiah 21:16–17

Verse 16. For the Lord said to me, “Within a year, as a worker bound by contract would count it, all the glory of Kedar will fail, Verse 17. and the residue of the number of the archers, the mighty men of the children of Kedar, will be few; for Yahweh, the God of Israel, has spoken it.”

World English Bible (public domain)

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Main themes in Isaiah 21

Divine Judgment

The chapter reveals Divine Judgment through the proclamation of destruction against Babylon. In v. 9, a watchman declares, 'Fallen, fallen is Babylon,' indicating the impending demise of this empire. The passage emphasizes the point that God's judgment is active and unavoidable as the history of powerful nations unfolds in accordance with divine will.

Sovereignty of God

God's Sovereignty is expressed in the prophetic messages addressed to various nations, as seen in vv. 16-17 where the Lord announces the decline of Kedar. The text states, 'for Yahweh, the God of Israel, has spoken it,' affirming that the fate of empires lies firmly in God's hands. This sovereignty is also illustrated through the assurance of impending judgment upon Babylon and the surrounding nations.

Impermanence of Empires

The chapter addresses the Impermanence of Empires, particularly in verse 16, where the decline of Kedar's glory is foretold. The text states, 'the residue of the archers, the mighty men of the children of Kedar, will be diminished.' This indicates that no empire, regardless of its strength, can endure against God's will. Babylon's impending downfall in verse 9 further illustrates the fleeting nature of worldly power.

Watchfulness

Watchfulness plays a crucial role in this chapter, especially in verses 6-8, where a watchman is appointed to remain alert to potential dangers. The watchman declares, 'I stand continually on the watchtower,' which highlights the necessity of vigilance in the face of threats. This theme encourages active attention to both spiritual and worldly matters, promoting readiness for the unfolding of God's purposes.

Chapter outline

How Isaiah 21 unfolds

  1. Isaiah 21:1–2 Introduction of the Burden

    A prophetic burden comes from ‘the wilderness of the sea’ (v. 1), revealing a ‘grievous vision’ (v. 2) of treachery, destruction, and an attack by Elam on Media.

  2. Isaiah 21:3–4 Prophet's Distress

    The prophet expresses deep anguish and fear, comparing his distress to the pains of childbirth (v. 3), revealing his inability to hear or see clearly due to overwhelming horror (v. 4).

  3. Isaiah 21:5–8 Call to Vigilance

    A call to vigilance is issued as preparations are made for battle, with an emphasis on the need for watchmen to observe and report what they see (vv. 5-6).

  4. Isaiah 21:9–10 Announcement of Babylon's Fall

    The watchman declares the downfall of Babylon, noting that ‘fallen, fallen is Babylon’ (v. 9), and identifies the people of Israel as the ones who will reap the benefits of judgment (v. 10).

  5. Isaiah 21:11–12 Oracle Against Dumah

    In this section, there is a dialogue between the watchman and a questioner from Seir, who asks about the night (vv. 11-12). The watchman responds with a cryptic answer regarding both morning and night.

  6. Isaiah 21:13–15 Burden on Arabia

    The burden on Arabia instructs the Dedanites to provide lodging and supplies for fleeing fugitives, who escape from the ‘drawn sword’ and ‘heat of battle’ (vv. 14-15).

  7. Isaiah 21:16–17 Judgment on Kedar

    The final verses announce a specific judgment on Kedar, stating that in a set period, the glory of Kedar will fail and the might of its warriors will decrease (vv. 16-17).

Key verses

  • Isaiah 21:6The Lord commands the prophet to set a watchman, directing vigilance for impending judgment, particularly concerning Babylon’s fall in verses 9-10.

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Study questions

Questions for studying Isaiah 21

SummarizeObserveInterpretApply

Uses your daily Ask questions.

  1. observeIn v6, who is instructed to declare what he sees?
  2. observeWhat does the watchman report in vv. 9-10 about Babylon?
  3. interpretIn vv. 11-12, why does the watchman answer, 'The morning comes, and also the night'?
  4. interpretIn v16, what timeframe does the Lord give for the glory of Kedar to fail?
  5. applyWhen have you felt a sense of urgency in a situation like the watchman's call in v6?

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Isaiah 21: frequently asked questions

What is Isaiah 21 about?+
The burden of the wilderness of the sea introduces a vision of calamity, with treachery and destruction approaching (vv. 1-2).
What is the key verse in Isaiah 21?+
Isaiah 21:6: “For the Lord said to me, “Go, set a watchman. Let him declare what he sees.”
What are the main themes of Isaiah 21?+
The main themes of Isaiah 21 are Divine Judgment, Sovereignty of God, Impermanence of Empires, Watchfulness.

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Study Notes