נָפְלָה נָפְלָה בָּבֶל — She has fallen! She has fallen, Babylon

The Common Man's Commentary

Isaiah Chapter 21: The Great Mirage

Study Isaiah 21 verse by verse and see how God judges people and nations in truth, not by appearances, as three nations that looked strong and secure were doomed by His hand.

Isaiah 21 shows that what looks unbeatable to the world can fall in a single night.

Chapter overview

The Great Mirage

In our study of Isaiah Chapter 21, we look at the fact that God judges people and nations in truth, not by appearances. We look at three nations that appeared to be strong and doing well but in reality were doomed by the hand of God.

The chapter opens with a burden against Babylon, the "Desert by the Sea," a city that looked wonderful but was full of death because of its rampant idolatry. Isaiah is physically shaken by the vision of its fall. He is then told to post a watchman, and the chapter moves on to two shorter oracles: Dumah, where the watchman answers that morning is coming but also the night, and Arabia, where the glory of Kedar will come to an end within a year.

  • Babylon looked unbeatable, yet its strength proved to be a mirage.
  • The watchman's role is to warn, and Isaiah's role becomes ours today.
  • Dumah, Dedan, and Kedar learn that what God decrees will come to pass.

Isaiah Chapter Twenty One

A City That Looked Safe and Fell in a Night

Read the Isaiah 21 study verse by verse, including the mirage of Babylon, the fall of the city during a feast, the watchman's message, and the short burdens against Dumah, Arabia, and Kedar.

Translation note: Scripture quotations in this study are from the Complete Jewish Bible (CJB), which was translated directly from Hebrew into English. You can get your own hardback or paperback copy on Amazon, where we earn a small commission as an Amazon Associate on qualifying purchases. For a deep dive discussion of this chapter, listen to The Olive Grove Podcast on YouTube.

Isaiah Chapter 21 Verse-by-Verse Commentary

Isaiah 21:1

A prophecy about the coastal desert: Like whirlwinds sweeping over the Negev, it comes from the desert, from a fearsome land.

The "Desert by the Sea" speaks of opposites and what is commonly called a mirage. A mirage is something that appears to be real but is not and, in nature, it is caused by the refraction of light by heated air. The most common example is of a sheet of water appearing to be in the desert. In this case, the phrase is being used to identify the nation of Babylon. The city appeared to be wonderful but, in fact, was full of death due to the rampant idolatry.

Isaiah 21:2

A dire vision has been shown to me: the betrayer betrays, and the spoiler spoils. 'Eilam, advance! Madai, lay siege! I will end all groaning.

Elam refers to Persia as they became a part of the Persian army. This verse corresponds to the visions of Daniel and the defeat of the Babylonians at the hands of the Medo-Persian empire which happened in 539 B.C. The Babylonians had appeared to be unbeatable in their fortress but their strength was proved to be a mirage when the fortress fell in a single night.

Isaiah 21:3–4

This is why my insides are racked with pain; I am seized by pangs, like a woman in labor; wrenched by what I hear, aghast at what I see. My mind reels, shuddering assails me. The twilight I longed for terrifies me.

We see that this vision of judgment is terrible as it physically shakes the prophet to his core. Isaiah had longed for God to judge Babylon but, when he saw how terrible it was, it really troubled him. That is a reminder to us that we, as Christians, look forward to the judgment and long to see the return of Messiah but it will be horrible for those that have rejected him.

Isaiah 21:5

They set the table, light the lamps, eat and drink — "Get going, princes! Oil the shields!"

This verse predicts the fact that the Babylonians would be having a giant party as their city was being compromised. At this party, they even took articles that they had captured in Jerusalem and desecrated them as they used them to get drunk. While they were having this party, the Medes entered the city and defeated them and Darius the Mede took over their kingdom (see Daniel 5). Instead of preparing for the battle that they knew was coming, the leaders of the Babylonians were involved in the party. God had used them as an instrument of judgment but they were now judged themselves.

Isaiah 21:6–7

For this is what Adonai said to me: "Go, post a watchman to report what he sees! If he sees the cavalry, horsemen in pairs, riders on donkeys, riders on camels, he must be on alert, on full alert!"

God assures Isaiah that the Babylonians will fall just as he said. He went so far as to say that the people should post a watchman to keep an eye out for the news. This is a reminder to us as well that, when God says that something will happen, we can watch out because it will happen.

Isaiah 21:8–10

He calls out like a lion: "My lord, I stand on the watchtower all day long, I stay at my post all night." Then, as they appeared — the cavalry, horsemen in pairs — he spoke these words: "She has fallen! She has fallen — Bavel! All the carved images of her gods lie shattered on the ground." My people, who have been threshed, grain trodden down on my threshing-floor: I am telling you what I have heard from ADONAI-Tzva'ot, the God of Isra'el.

Isaiah reassures the people of what God has shown him and the fact that those who were oppressing them would be judged. The same type of assurance is for us, as Christians, today and we see the same news that Babylon has fallen in Revelation 18.

Isaiah 21:11–12

A prophecy about Dumah: Someone is calling to me from Se'ir: "Watchman, how much longer is it night? Watchman, how much longer is it night?" The watchman answers: "Morning is coming, but also the night. If you want to ask, ask! Come back again!"

Dumah means silence and it is a symbolic word as it is Edom with the "E" removed and Seir means rough or hairy. This burden is for the descendants of Esau who lived in the area south of the Dead Sea. A watchman was responsible for watching out for danger and alerting a city and we see that Isaiah assumes this title. The people ask the watchman how much longer it will be dark and his reply is that light is coming for some but darkness for others. This is a reminder to us, as Christians, that the imminent return of Messiah will be a wonderful time for us but it will be a time of great darkness and trouble for others. Just as Isaiah assumed the role of watchman with its responsibility, we, too, have the role for the world today. We must warn the people that morning is coming for us but darkness is coming for those who do not know Yeshua Messiah.

Isaiah 21:13–15

A prophecy about Arabia: You caravans of D'danim will camp in the desert growth of Arabia. Bring water to the thirsty, you who live in Teima, greet the fugitives with food; because they are fleeing the sword, the drawn sword, the bent bow and the press of battle.

The Dedanites lived in the northern part of what is known as Saudi Arabia which was just south of Babylon. They used basic weapons such as the bow but were faced with swords and shields of the Assyrians.

Isaiah 21:16–17

For this is what Adonai has told me: "Within a year [and not a day more], as if a hired worker were keeping track of the time, the glory of Kedar will come to an end. Few of Kedar's valiant archers will be left." ADONAI the God of Isra'el has spoken.

Kedar was the home of nomadic tribes in the Arabian desert and Isaiah warns them that within one year they would be conquered. He says that few will survive and that it is decreed by God.

Hebrew context

Key Hebrew Words in Isaiah Chapter 21

These terms summarize key Hebrew words and concepts from the Chapter 21 commentary, including the burden, the mirage of Babylon, the watchman, and the contrast between morning and night.

Isaiah 21:1

מַשָּׂא

Massa

Burden, Prophecy

The word that opens each oracle in this chapter. It describes a message that weighs heavily on the prophet, which fits how Isaiah is physically shaken by what he sees.

Isaiah 21:1

מִדְבַּר־יָם

Midbar-yam

Desert by the Sea

A phrase of opposites, a desert joined to the sea, that points to a mirage. Babylon appeared to be wonderful but was full of death because of its idolatry.

Isaiah 21:2

עֵילָם

Eilam

Elam

The land called to advance against Babylon. Elam became a part of the Persian army, matching the Medo-Persian defeat of Babylon in 539 B.C.

Isaiah 21:9

נָפְלָה

Naflah

She Has Fallen

The watchman's cry, repeated twice for emphasis. The same news of Babylon's fall is echoed in Revelation 18.

Isaiah 21:11

דּוּמָה

Dumah

Silence

A symbolic name for Edom, the descendants of Esau, with the first letter removed. The word "silence" suits a people left with no answer in the night.

Isaiah 21:11

שֹׁמֵר

Shomer

Watchman

The one responsible for watching for danger and alerting the city. Isaiah assumes this title, and believers today share the responsibility to warn.

Isaiah 21:12

בֹּקֶר

Boker

Morning

The watchman's answer: morning is coming, but also the night. Light comes for some, while darkness remains for those who reject God.

Isaiah 21:16

קֵדָר

Kedar

Kedar

The home of nomadic tribes in the Arabian desert. Isaiah warns that within one year their glory will end and few of their archers will be left.

Messianic Themes in Isaiah Chapter 21

Messianic Themes

The Morning That Is Coming

The watchman says, "Morning is coming, but also the night." For those who trust Him, Yeshua is the bright morning star (Revelation 22:16), and the prophetic word is a lamp until the day dawns and the morning star rises in our hearts (2 Peter 1:19). The same light that brings morning to believers brings darkness to those who love the darkness (John 3:19), which is why the return of Messiah is wonderful news for some and terrible news for others.

Babylon Has Fallen

Isaiah hears that Babylon has fallen and its carved images lie shattered on the ground. Revelation 14:8 and 18:2 repeat the same cry, showing that every system that looks strong while resisting God is a mirage that will end.

Watchmen Who Warn

Isaiah takes the role of the watchman, and Ezekiel 33:6–7 describes the responsibility to sound the alarm. Yeshua tells His followers to stay alert because we do not know the day our Lord is coming (Matthew 24:42).

Take the study further

Reflect, Connect, and Continue

Use these study elements to think through Isaiah 21, consider its themes, and connect the mirage of worldly strength, the watchman's warning, and God's righteous judgment throughout Scripture.

Did You Know?

A Fortress Fell in a Single Night

The Babylonians believed their fortress could not be taken, yet it fell in one night while the leaders were feasting. The commentary notes that they were even drinking from articles captured from Jerusalem when the Medes entered the city (Daniel 5).

Key Takeaway

God Judges in Truth, Not Appearances

Babylon looked wonderful, but God saw the death caused by its idolatry. 1 Samuel 16:7 reminds us that people look at outward appearance while ADONAI looks at the heart, so our trust belongs in Him and not in what merely looks strong.

Questions for Reflection

Read through these questions after completing Isaiah Chapter 21 on your own or with a group.

  1. Babylon appeared strong and successful but was full of death. What people, institutions, or achievements around you look impressive but may be a mirage?
  2. Isaiah longed for judgment but was deeply troubled when he saw it. How does knowing what judgment will look like change the way you pray and the way you speak to others?
  3. The Babylonians were feasting instead of preparing for the battle they knew was coming. In what ways can comfort or distraction keep us from being spiritually prepared?
  4. The watchman says morning is coming, but also the night. Who has God placed in your life that needs to hear that warning, and how can you share it with compassion?

Verse-by-verse chapter studies

Read Through Isaiah Chapter by Chapter

Move through Isaiah in order or select a chapter that connects with your current personal study, family study, small group, or teaching preparation.

Isaiah Chapter 1 is included on the main Isaiah page. Chapter 21 is the current study page.

Continue the Bible's story

Connect Isaiah 21 to the Gospel

Follow the themes of false appearances, the watchman's warning, and the fall of Babylon through the rest of Scripture, all pointing to the morning that Messiah brings.

The previous chapter

Walk of Faith

Return to Isaiah 20 and see the prophet walk out his message as a sign that Judah must trust God and not earthly nations.

Study Isaiah 20

The next chapter

The Oracles Continue

Continue to Isaiah 22 as the prophet turns to the next burden, the Valley of Vision.

Study Isaiah 22

Babylon's first oracle

The Burden of Babylon

Read Isaiah 13 and see the earlier prophecy against Babylon that Isaiah 21 returns to from the watchman's point of view.

Study Isaiah 13

The night Babylon fell

The Writing on the Wall

Read Daniel 5 and see the feast, the desecrated vessels from Jerusalem, and the fall of the city in a single night.

Study Daniel 5

Babylon has fallen

The Final Fall of Babylon

Read Revelation 18 and hear the same news the watchman announced, that Babylon has fallen and its idols are finished.

Study Revelation 18

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Continue From the Mirage to the Next Oracle

Isaiah 21 shows that God judges in truth, not by appearances, and that the watchman's job is to warn that morning is coming, but also the night. Continue to Isaiah 22 to follow the prophet's next message, the Valley of Vision.