Exodus 8:20-23 · Bible study

Exodus 8:20-23 Commentary: Confrontation at the Nile

Hebrew · 11 what the commentators say

Meaning in one sentence

Why did God tell Moses to meet Pharaoh at the Nile? Exodus 8:20-23 shows YHWH asserting His authority over Egypt and redeeming His people.

Research Summary

Meaning: God confronts Pharaoh at the Nile, sending flies to strike Egypt while sparing Goshen, to show YHWH's authority over the gods of Egypt and to redeem His people.
Key words: 'Swarms of flies' (ערב, ʻarob, likely a mixture or dog-fly), 'sever' (הפלה, hifleth, to separate miraculously), 'division/redemption' (פדות, peduth, redemption, deliverance).
Main debate: The exact identity of the insects: dog-fly (LXX, Keil), a mixture of insects (Clarke), or beetles associated with Chepera (Barnes).
Theological theme: God's sovereign protection of His covenant people and His public display of lordship over false gods.
Best use: Preaching on the certainty of God's authority and the security of those who belong to Him; teaching on God's redemptive distinction.

Translation Comparison

BSB Berean Standard Bible 2020

²⁰Then the LORD said to Moses, “Get up early in the morning, and when Pharaoh goes out to the water, stand before him and tell him that this is what the LORD says: ‘Let My people go, so that they may worship Me.

²¹But if you will not let My people go, I will send swarms of flies upon you and your officials and your people and your houses. The houses of the Egyptians and even the ground where they stand will be full of flies.

²²But on that day I will give special treatment to the land of Goshen, where My people live; no swarms of flies will be found there. In this way you will know that I, the LORD, am in the land.

²³I will make a distinction between My people and your people. This sign will take place tomorrow.’”

WEB World English Bible 2000

²⁰Yahweh said to Moses, “Rise up early in the morning, and stand before Pharaoh; behold, he comes out to the water; and tell him, ‘This is what Yahweh says, “Let my people go, that they may serve me.

²¹Else, if you will not let my people go, behold, I will send swarms of flies on you, and on your servants, and on your people, and into your houses. The houses of the Egyptians shall be full of swarms of flies, and also the ground they are on.

²²I will set apart in that day the land of Goshen, in which my people dwell, that no swarms of flies shall be there, to the end you may know that I am Yahweh on the earth.

²³I will put a division between my people and your people. This sign shall happen by tomorrow.”’”

KJV King James Version 1769

²⁰And the Lord said unto Moses, Rise up early in the morning, and stand before Pharaoh; lo, he cometh forth to the water; and say unto him, Thus saith the Lord, Let my people go, that they may serve me.

²¹Else, if thou wilt not let my people go, behold, I will send swarms of flies upon thee, and upon thy servants, and upon thy people, and into thy houses: and the houses of the Egyptians shall be full of swarms of flies, and also the ground whereon they are.

²²And I will sever in that day the land of Goshen, in which my people dwell, that no swarms of flies shall be there; to the end thou mayest know that I am the Lord in the midst of the earth.

²³And I will put a division between my people and thy people: to morrow shall this sign be.

ASV American Standard Version 1901

²⁰And Jehovah said unto Moses, Rise up early in the morning, and stand before Pharaoh; lo, he cometh forth to the water; and say unto him, Thus saith Jehovah, Let my people go, that they may serve me.

²²And I will set apart in that day the land of Goshen, in which my people dwell, that no swarms of flies shall be there; to the end thou mayest know that I am Jehovah in the midst of the earth.

²³And I will put a division between my people and thy people: by to-morrow shall this sign be.

YLT Young's Literal Translation 1898

²⁰And Jehovah saith unto Moses, `Rise early in the morning, and station thyself before Pharaoh, lo, he is going out to the waters, and thou hast said unto him, Thus said Jehovah, Send My people away, and they serve Me;

²¹for, if thou art not sending My people away, lo, I am sending against thee, and against thy servants, and against thy people, and against thy houses, the beetle, and the houses of the Egyptians have been full of the beetle, and also the ground on which they are.

²²`And I have separated in that day the land of Goshen, in which My people are staying, that the beetle is not there, so that thou knowest that I am Jehovah in the midst of the land,

²³and I have put a division between My people and thy people: to-morrow is this sign.'

Darby Darby Bible 1890

²⁰And Jehovah said to Moses, Rise up early in the morning, and stand before Pharaoh — behold, he will go out to the water — and say to him, Thus saith Jehovah, Let my people go, that they may serve me.

²¹For, if thou do not let my people go, behold, I will send dog-flies upon thee, and upon thy bondmen, and upon thy people, and into thy houses; and the houses of the Egyptians shall be full of dog-flies, and also the ground on which they are.

²²And I will distinguish in that day the land of Goshen, in which my people dwell, that no dog-flies shall be there; that thou mayest know that I Jehovah am in the midst of the land.

²³And I will put a separation between my people and thy people; to-morrow shall this sign be.

Douay-Rheims Douay-Rheims Bible 1899

²⁰The Lord also said to Moses: Arise early, and stand before Pharao; for he will go forth to the waters: and thou shalt say to him: Thus saith the Lord: Let my people go to sacrifice to me.

²¹But if thou wilt not let them go, behold I will send in upon thee, and upon thy servants, and upon thy houses, all kind of flies: and the houses of the Egyptians shall be filled with flies of divers kinds, and the whole land wherein they shall be.

²²And I will make the land of Gessen wonderful in that day, so that flies shall not be there: and thou shalt know that I am the Lord in the midst of the earth.

²³And I will put a division between my people and thy people: to morrow shall this sign be.

Verse in Context

18 The magicians tried with their enchantments to produce lice, but they couldn’t. There were lice on man, and on animal.

19 Then the magicians said to Pharaoh, “This is God’s finger;” but Pharaoh’s heart was hardened, and he didn’t listen to them, as Yahweh had spoken.

20 Yahweh said to Moses, “Rise up early in the morning, and stand before Pharaoh; behold, he comes out to the water; and tell him, ‘This is what Yahweh says, “Let my people go, that they may serve me.

21 Else, if you will not let my people go, behold, I will send swarms of flies on you, and on your servants, and on your people, and into your houses. The houses of the Egyptians shall be full of swarms of flies, and also the ground they are on.

22 I will set apart in that day the land of Goshen, in which my people dwell, that no swarms of flies shall be there, to the end you may know that I am Yahweh on the earth.

23 I will put a division between my people and your people. This sign shall happen by tomorrow.”’”

24 Yahweh did so; and there came grievous swarms of flies into the house of Pharaoh, and into his servants’ houses. In all the land of Egypt the land was corrupted by reason of the swarms of flies.

25 Pharaoh called for Moses and for Aaron, and said, “Go, sacrifice to your God in the land!”

Scholars' Consensus

Commentators agree that this passage marks a turning point in the plagues narrative. For the first time, God explicitly spares the land of Goshen, making a public distinction between His people and the Egyptians. Calvin notes that Moses confronts Pharaoh at the Nile early in the morning to ensure the matter is witnessed widely. Keil and Delitzsch emphasize that this public setting precludes any excuse that the plague came from Egyptian incantations. Barnes connects Pharaoh's visit to the Nile with a festival honoring the river's inundation, a key religious observance. The word translated 'sever' (Hebrew hifleth) is understood by Clarke as a miraculous separation, underscoring God's power to protect His covenant people. The plague of flies, whether dog-flies or a mixture of insects, struck at the heart of Egyptian worship, as flies were sometimes venerated. The commentators uniformly see in this passage a clear demonstration that YHWH alone is God in the midst of the land.

How settled is the interpretation?

Interpretive difficulty: Medium

Main views:

Dog-fly: LXX translation κυνόμυια; supported by Keil and Delitzsch, ancient descriptions of stinging flies in Egypt
Mixture of insects: Etymology of ʻarob as 'mixture'; supported by Clarke and others, noting the word's connection to mixed multitudes
Sacred beetle: Barnes suggests Chepera beetle, an Egyptian god, making the plague a direct religious challenge

What is clear: YHWH sent a plague of insects that affected Egypt but not Goshen, demonstrating His sovereignty and His covenant relationship with Israel.

What Scholars Agree and Debate

Topic	Agreed	Debated
Identity of the insects	The Hebrew ʻarob denotes some kind of swarming insect that torments humans and animals.	Some interpret it as the dog-fly (κυνόμυια, LXX), others as a mixture of insects (Clarke), and others as beetles associated with the Egyptian god Chepera (Barnes).
The nature of the separation	God miraculously spares Goshen from the plague, a new element in the plagues.	Whether this separation is primarily geographic (Goshen is a specific region) or covenantal (based on the people's identity). Some note that Goshen was likely inhabited mostly by Israelites but may have had Egyptians living there, raising questions about who exactly was spared.
Significance of the Nile setting	The meeting occurs at the Nile, likely during a religious festival, and serves as a public challenge to Pharaoh.	Whether the primary target is Pharaoh's authority, the Nile god, or both. Calvin emphasizes the public visibility; Barnes focuses on the connection to the Nile festival.
Interpretation of 'division' (פדות)	The word indicates a clear separation between Israel and Egypt, and it involves deliverance.	Some translate it as 'redemption' (Gill, Keil) emphasizing the cost of deliverance; others as 'division' (EVV) focusing on the distinction. The Cambridge Bible suggests a textual error (possible original reading 'severance' peldth).

Historical & Cultural Context

Pharaoh's morning journey to the Nile (Ex 8:20) was not a casual stroll. As Barnes notes, it likely coincided with a solemn festival held 120 days after the first rise of the Nile, around late October or early November, when the floodwaters receded. The Egyptians worshipped the Nile as a god, Hapi, and Pharaoh participated in rituals to ensure the annual inundation. By commanding Moses to “stand before Pharaoh” at this very spot, God directly challenged the king and his deity on their own sacred ground.

The plague of “swarms of flies” (Hebrew `arob) defies precise identification. The Septuagint renders it “dog-fly” (kynomuia), a blood-sucking insect described by ancient writers as a relentless tormentor. Others, like Jamieson-Fausset-Brown, suggest a mixture of insects, including gadflies and the sacred beetle (Chepera), an object of worship in Lower Egypt. The land of Goshen, where Israel dwelt, was part of the eastern Nile Delta, geographically indistinguishable from the rest of Egypt. Yet God promised to “set apart” that land, a word Clarke says implies a miraculous distinction (cf. Ex 9:4, 11:7). This separation was unprecedented in the earlier plagues.

The phrase “I will put a division” (Ex 8:23) translates the Hebrew put peduth, often rendered “redemption” (Gill, Keil), conveying that God was actively redeeming His people, not merely withholding judgment. The sign was set for “tomorrow,” adding urgency and testing Pharaoh's faith: would he see this as YHWH's work and relent?

Textual Notes

The text of Exodus 8:20-23 is stable across major manuscripts. The Cambridge Bible notes a possible textual issue in verse 23, where the word 'peduth' (redemption/division) may have originally been 'peldth' (severance), but the evidence is inconclusive. Other commentators do not discuss variants; the Masoretic Text and the versions agree on the passage's substance.

Reception History

This passage has been read throughout church history as a vivid example of God's protective distinction of His people. Early Christian interpreters, such as Origen and Augustine, saw in the separation of Goshen a type of the Church set apart from the world. The plague of flies was also seen as a judgment on Egyptian idolatry, particularly the worship of insects and the Nile. During the Reformation, Calvin used this text to show God's patience with the wicked and His public vindication of His servants. Matthew Henry drew pastoral lessons from Moses' early rising, urging believers to be diligent in God's service. In more recent times, the passage has been used to comfort believers facing persecution, affirming that God knows how to deliver the godly from trial (cf. 2 Peter 2:9). The phrase 'I will put a division' has been cherished in hymnody, sung as a promise of God's distinguishing grace.

Preaching This Verse

Three-point outline

The Public Confrontation. God tells Moses to meet Pharaoh at the Nile in the morning, a place of royal and religious pomp. This was no private negotiation. By standing before Pharaoh in the sight of his court, Moses declared that Israel's God is sovereign over Egypt's gods and their king.
The Distinctive Separation. For the first time, God exempts Goshen from the plague. This separation proves that the affliction is not a natural phenomenon but a direct act of the Lord, who discriminates between His covenant people and the Egyptians.
The Demonstration of Lordship. God's purpose is stated plainly: “that you may know that I am Yahweh in the midst of the earth” (v.22). The plagues are not random punishments; they are revelations. God displays His authority over creation, over Egypt, and over history to call all people to fear Him.

Five-point outline

The timing. “Rise up early” adds drama and shows Moses' obedience to God's schedule, not Pharaoh's convenience.
The location. The Nile is the heart of Egypt's economy and religion. God chooses this spot to demonstrate authority over creation and over Egypt's gods.
The plague. Swarms of flies, a creature Pharaoh cannot control, despite his divine status, torment the Egyptians while sparing Goshen.
The distinction. The separation of Goshen becomes the sign. It forces Pharaoh and the Egyptians to recognize that the God of Israel is personally involved and discriminating in His actions.
The verdict. God's aim: “that you may know that I am Yahweh in the midst of the earth.” The plagues are not about punishment only, they are about revealing who the true God is.

Illustration hooks

A child with a note from a parent to a principal, standing before an authority figure who normally has all the power. The child brings a message from a higher authority.
In a city where a natural disaster strikes one neighbourhood but spares the next for no natural reason. People ask, “Why?”, and the answer reveals intentional design or protection.
A test set for the next day. The certainty of “tomorrow” creates both anticipation and warning: there is time, but not much.

Questions your congregation is asking

Does God still make a distinction between His people and the world today? How does that comfort or challenge us?
Why did God use something as small and irritating as flies? Could this be a reminder that God controls even the smallest details of creation for His purposes?
Why did God make the confrontation so public? To show that His authority is not hidden but open for all to see, and to call for a response.

Leading a Discussion

This passage shows God publicly establishing a clear line between His people and Egypt. As you study, consider how God distinguishes His people today, and what that teaches about His character and our call to trust Him.

Discussion questions

Read Exodus 8:20-23. What instructions does God give Moses? Why do you think he is told to meet Pharaoh at the Nile?
What is new about this plague compared to the previous ones? Why is it significant that God spares Goshen?
How does the separation of Goshen reveal God's character? What does it teach about His relationship with His people?
What does the phrase “I will put a division” (or “redemption”) suggest about the nature of God's deliverance?
The purpose of the plague is stated: “that you may know that I am Yahweh in the midst of the earth.” How does this purpose shape the way we understand God's judgments?
Why do you think Pharaoh still hardened his heart even after this clear demonstration? What lesson does that offer us?
How can we, as God's people today, recognize His protection and distinction in our lives? In what ways are we called to trust His separation even when it seems invisible?

What the Commentators Say

10 public-domain commentaries, condensed into plain language.

Adam Clarke's Commentary Methodist/Wesleyan 1826

Clarke notes that the Hebrew word for the plague suggests a "mingled" swarm, not a single insect species. He connects this to the same root used later for the mixed crowd leaving Egypt, arguing God sent a chaotic blend of flies, wasps, and hornets. He sees the separation of Goshen as a miraculous redemption.

Barnes' Notes on the Bible Protestant 1832

Barnes notes that this plague likely coincided with an Egyptian festival marking the receding Nile, when flies or sacred beetles were most troublesome. He suggests the insects may have been a beetle species worshipped as a symbol of the sun-god Chepera. Most significantly, he points out that God’s explicit separation of Goshen from the plague prevented Pharaoh from crediting any Egyptian deity with sparing his own people.

Calvin's Commentaries Reformed 1564

Calvin emphasizes that God chose a public riverside confrontation to make His judgment unmistakable before all Egypt. He also highlights that God sometimes works without external instruments like the rod, proving He needs no assistance. The key point is the visible separation between Israel and Egypt, showing God alone rules everywhere.

Cambridge Bible for Schools and Colleges Anglican 1880

The commentary identifies the plague as a swarm of dog-flies, a particularly vicious biting insect that attacks relentlessly. The Hebrew word likely refers to this specific pest rather than a general mixture of flies, a reading supported by the ancient Greek translation and descriptions from Philo of Alexandria.

Geneva Bible Notes Reformed 1599

The Geneva notes draw attention to God's deliberate separation of His people during the plague. By sparing Goshen entirely, God proves He is not just a local deity but Lord over the whole earth, able to protect His own even while judging Egypt.

Gill's Exposition of the Bible Baptist 1748

Gill highlights the Hebrew word for the plague, which means "a mixture," and favors understanding it as a swarm of troublesome insects rather than wild beasts. He also emphasizes the miraculous separation of Goshen, noting the word implies God performed wonders to keep the flies away from his people, proving he is Lord over all the earth.

Jamieson-Fausset-Brown Commentary Protestant 1871

JFB points out that the plague involved diverse species of harmful insects, including the beetle, which Egyptians worshipped. This judgment was painfully humiliating, turning their sacred creatures into instruments of chastisement while deepening Israel's faith in the Lord as the only true God.

Keil & Delitzsch OT Commentary Protestant 1876

Keil-Delitzsch stress that sparing Israel from the fly plague was not just a separation but an actual deliverance, proving the God who sent it was the absolute Lord over Egypt, not a local deity. They also highlight that Moses refused to sacrifice within Egypt because the Israelites' different sacrificial customs would provoke the Egyptians to stone them, not merely because of sacred animals.

Lange's Commentary Reformed 1857

Lange identifies the plague as blood-sucking gad-flies, not generic vermin, and argues that the Hebrew verb indicates the land was being destroyed with ruin impending, not already laid waste. He further stresses that sacrificing to a foreign God in Egypt was itself an abomination to the Egyptians, not merely the choice of animals.

Wesley's Explanatory Notes Methodist/Wesleyan 1754

Wesley observes that the swarms of insects moved exactly as Moses appointed, proving they were guided by God's intelligent design rather than random flight. He connects this to early rising for devotion, noting that even Pharaoh rose early for superstition, urging believers to redeem the morning for God's service.

Cross-References

Source: Treasury of Scripture Knowledge (TSK, public domain)

Exodus 3:18	They will listen to your voice. You shall come, you and the elders of Israel, to the king of Egypt, and you shall tell him, ‘Yahweh, the God of the Hebrews, has met with us. Now please let us go three days’ journey into the wilderness, that we may sacrifice to Yahweh, our God.’
Exodus 7:15	Go to Pharaoh in the morning. Behold, he is going out to the water. You shall stand by the river’s bank to meet him. You shall take the rod which was turned to a serpent in your hand.
Exodus 8:1	Yahweh spoke to Moses, “Go in to Pharaoh, and tell him, ‘This is what Yahweh says, “Let my people go, that they may serve me.
Exodus 9:13	Yahweh said to Moses, “Rise up early in the morning, and stand before Pharaoh, and tell him, ‘This is what Yahweh, the God of the Hebrews, says: “Let my people go, that they may serve me.
Psalms 78:45	He sent among them swarms of flies, which devoured them; and frogs, which destroyed them.
Psalms 105:31	He spoke, and swarms of flies came, and lice in all their borders.
Isaiah 7:18	It will happen in that day that Yahweh will whistle for the fly that is in the uttermost part of the rivers of Egypt, and for the bee that is in the land of Assyria.
Exodus 7:17	Yahweh says, “In this you shall know that I am Yahweh. Behold: I will strike with the rod that is in my hand on the waters which are in the river, and they shall be turned to blood.

Cross-reference data from OpenBible.info (CC BY 4.0). Commentaries are public domain.

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