Exodus 9:8-12 — The Sixth Plague: Boils

⬇ Download Word (.docx) ⬇ Download PDF

Homiletics Analysis: Exodus 9:8-12


Content & Intent

This Text — Content: Exodus 9:8–12 records the sixth plague upon Egypt: Moses and Aaron take handfuls of soot from a kiln, Moses tosses it skyward before Pharaoh, and it becomes fine dust that produces festering boils on both humans and animals throughout the land. The plague is structurally notable on two counts. First, the standard prophetic warning is absent — unlike the preceding plagues, Yahweh gives no advance notice to Pharaoh and no opportunity to negotiate. The judgment falls without warning. Second, and most theologically significant, the text explicitly states that this plague falls upon the magicians — the very men who had previously imitated the early plagues and provided Pharaoh with a kind of intellectual cover for resistance. Here they cannot stand before Moses because the boils have broken out on them as well. The passage closes with the formulaic yet weighty conclusion: “The LORD hardened the heart of Pharaoh, and he did not listen to them, just as the LORD had spoken to Moses.”

This Text — Intent: God is not merely punishing Egypt. He is systematically dismantling every human structure of resistance and false confidence. By this sixth plague, the magicians — Pharaoh’s appointed counter-witnesses — are themselves struck down and disqualified. The soot from a kiln (likely an Egyptian smelting furnace, an icon of Egyptian industrial and ritual power) becomes the instrument of their own judgment. God is pressing Pharaoh and all Egypt toward a recognition they are desperate to avoid: there is no Egyptian power, technology, priestly art, or human ingenuity that can rival or resist Yahweh. The intent of the passage is to confront the reader with the absolute sovereignty of God over every human system of opposition — and to do so in a way that makes Pharaoh’s continued hardness not merely inexplicable but revelatory. His hardness itself is now God’s instrument. God is seeking to produce in the reader an awe before divine sovereignty that is simultaneously humbling and, for the believer, profoundly reassuring.


Subject Sentence: God dismantles Egypt’s last line of human resistance — and hardens Pharaoh to display His own sovereign glory.


Primary Claim: When every human strategy of resistance to God has been stripped away and His enemies stand afflicted and silenced, God is revealing that His purposes cannot be thwarted by any power — and that even the hardness of those who refuse Him serves His glory.


Interpretive Evaluation

The hardening of Pharaoh’s heart is the passage’s most contested element and demands careful handling. Three interpretive approaches surface in the tradition:

Arminian/Wesleyan reading: The hardening is understood as God’s judicial ratification of a hardening Pharaoh has already chosen for himself — God “giving him over” to a trajectory Pharaoh set in motion. This reading preserves human libertarian freedom and avoids the implication that God is the direct cause of Pharaoh’s moral condition. It draws support from early plague narratives where Pharaoh “hardened his own heart” (Exodus 8:15, 32) before God hardens it. This reading must be acknowledged for surfacing the genuine sequence in the early plague narrative, and for guarding against any suggestion that God coerces Pharaoh mechanically. However, it must be qualified significantly: by Exodus 9:12, the text does not say God “gave Pharaoh over” but that Yahweh hardened (chazaq) the heart directly. The Arminian reading softens a verb the text uses with full force. It also struggles to account for God’s pre-announcement in Exodus 4:21 that He will harden Pharaoh’s heart — before Pharaoh has had any opportunity to harden his own.

Dispensational reading: Some dispensationalist expositors treat the hardening primarily as a redemptive-historical mechanism — God hardening Pharaoh to precipitate the Exodus, which is the founding event of Israel’s national history. The theological weight lands on Israel’s liberation and typological prefiguring rather than on the broader revelation of divine sovereignty per se. This is acknowledged as legitimate at the level of canonical structure — the Exodus is indeed the paradigmatic redemption event. But it must be qualified insofar as it risks making the hardening instrumentally Israel-centered when the text’s own stated purpose is theocentric: the plagues are for the revelation of God’s name and glory (Exodus 9:16; Romans 9:17).

Reformed readingpreferred: The Reformed tradition, following Paul’s use of this very passage in Romans 9:14-18, understands the hardening as a direct, sovereign act of God that is nonetheless just. God is not the author of sin, but He governs the moral condition of His creatures in a way that exceeds human libertarian categories. Pharaoh is genuinely culpable — he willfully refuses — and God is genuinely sovereign — He hardens. Both are true simultaneously, and the text does not attempt to resolve the tension philosophically. Paul quotes Exodus 9:16 (“for this very purpose I have raised you up”) to ground his own discussion of divine election and human reprobation. The Reformed reading is preferred because it accounts for the full force of the Hebrew (chazaq — to make firm, to strengthen), the pre-announcement in Exodus 4:21, the Pauline use of this text, and the passage’s own theocentric frame. Any reading that reduces the hardening to mere permission or judicial ratification must explain away both the verb and the apostolic interpretation.

The absence of a prophetic warning is less contested but worth noting. The sixth plague is one of two (the ninth being the other) that arrive without advance notice. Some commentators see this as a structural feature of the three-triad arrangement of the plagues — the third and sixth in each triad lack warning. This is a useful literary observation. The Reformed reading sees this structural feature as theologically purposeful: the God who announces His judgments in advance is also the God who reserves the right to act without giving warning — a reminder that He is not bound by procedures of His own prior patterns. Judgment can be instant. Mercy alone accounts for every warning.


Key Canonical Support


Aim

To confront the reader with the sovereignty of God over every human structure of resistance — including the hardening that enables continued resistance — so that the believer worships with awe and the unbeliever is stripped of every false confidence.


Content Table

Verse(s) Content Notes
9:8 Yahweh commands Moses and Aaron to take handfuls of soot from a kiln and have Moses toss it into the air before Pharaoh The kiln (kibshan) may echo Egyptian industrial or ritual symbolism; the material is ash/soot — something associated with purification rituals in some Egyptian contexts, here weaponized by Yahweh
9:9 The soot will become fine dust (avak) throughout Egypt, causing festering boils on humans and animals Fine dust covering all Egypt echoes the dust-to-gnats plague (8:16-17); boils (sh’chin) — the same word used for the boils of Job and of the Egyptian disease curses in Deuteronomy 28:27
9:10 Moses and Aaron take the soot, stand before Pharaoh, Moses tosses it upward; boils break out on humans and animals The act is performed before Pharaoh — a direct confrontation; no prophetic warning precedes this
9:11 The magicians cannot stand before Moses because the boils are upon them The magicians’ final appearance in the plague narrative; they are not merely outmatched — they are afflicted; their capacity to counter or witness for Pharaoh is physically destroyed
9:12 Yahweh hardens Pharaoh’s heart; Pharaoh does not listen, just as Yahweh had spoken to Moses The hardening formula (chazaq — make firm/strengthen); the closing phrase grounds the outcome in prior divine speech — not coincidence, not failure, but fulfillment

Divisions Table

Division Verses Label
1 9:8–9 The Command: God Prescribes Both the Instrument and the Effect
2 9:10–11 The Execution: Moses Acts, the Magicians Fall
3 9:12 The Hardening: God’s Sovereignty Confirmed in Pharaoh’s Continued Refusal

Subject Sentence & Primary Claim (restated)

Subject Sentence: God dismantles Egypt’s last line of human resistance — and hardens Pharaoh to display His own sovereign glory.

Primary Claim: When every human strategy of resistance to God has been stripped away and His enemies stand afflicted and silenced, God is revealing that His purposes cannot be thwarted by any power — and that even the hardness of those who refuse Him serves His glory.


Applications (Five)

1. Reframe what “unanswered resistance” means. (Mind/Belief) When it appears that powerful people are successfully resisting God — when the Pharaohs of your world seem untouched, unmoved, and fully in control — this passage forbids that reading. Pharaoh’s resistance is not evidence that God’s purposes are stalled. It is itself the instrument of God’s declared purpose. The believer who looks at entrenched opposition — in a culture, a workplace, a family, a heart — and concludes that God is losing ground has misread the situation at the most fundamental level. God pre-announced this outcome before the first plague fell. Nothing Pharaoh does is outside the script God has already written.

2. Stop treating the silencing of your opponents as evidence that you are winning the argument. (Mind/Belief) The magicians are not merely outperformed here — they are struck down. They cannot stand. It is easy to take comfort when critics of the faith are silenced or discredited. But the passage is not about Moses’ rhetorical victory. The magicians fall because God acts — not because Moses makes a better case. The believer’s confidence in the advance of God’s purposes must rest on divine sovereignty, not on the evidential force of one’s own arguments or the opponent’s loss of standing.

3. Feel the terror and the relief of a God who cannot be manipulated. (Affections/Worship) This passage should produce a specific emotional experience in the reader: awe edged with fear. The God who hardens Pharaoh for His own purposes is a God who cannot be managed, domesticated, or bargained into a corner. For the unbeliever, this is terrifying — there is no strategy left, no magician to call, no counter-argument to mount. For the believer, this same sovereignty is the ground of deepest peace: the God who governs Pharaoh’s hardened heart also governs every circumstance that threatens to overwhelm you. He is not watching to see how things turn out. Worship accordingly.

4. Grieve the progressive hardening that accumulates around unrepentant refusal. (Affections/Worship) The magicians have gone from imitating Moses (Exodus 7-8), to confessing “This is the finger of God” (Exodus 8:19), to standing before Pharaoh afflicted and unable to speak. Each step of refusal has narrowed the space. Pharaoh’s heart is harder in Exodus 9:12 than it was in Exodus 7. This is the anatomy of hardening — not a single dramatic moment but an accumulation. The reader who has been deferring repentance, postponing surrender, holding one thing back from God should feel the weight of what this passage shows: the longer refusal continues, the less it becomes a choice and the more it becomes a condition. Let this produce godly fear.

5. Intercede specifically for those whose resistance to the gospel appears total. (Will/Behavior) Pharaoh is the hardest of cases — God Himself has hardened him, and the magicians are down. And yet God has not abandoned Egypt: the plagues are still mercy’s last offer, still creating space for the Egyptians who will ultimately attach themselves to Israel (Exodus 12:38). Do not write off the person in your life whose resistance seems complete, whose argument against faith seems fixed, whose heart seems impenetrable. God governs the hardening. He also governs the softening. Pray specifically, persistently, and without cynicism for those whose position seems most entrenched — because the same sovereign God who hardens can, at His appointed moment, break what you cannot.


Theological Importance

Theological Importance: This passage is a concentrated display of God’s absolute sovereignty over human history, human will, and human opposition. Yahweh does not merely permit Pharaoh’s hardness — He governs it, and He governs it toward a stated purpose: the proclamation of His name throughout the earth. The magicians’ affliction reveals that no human system — intellectual, priestly, political, or technological — can mount effective resistance against Yahweh’s purposes. Egypt’s court wisdom, which had provided Pharaoh with a mechanism for denial, is here physically destroyed. The removal of warning before this plague underscores that God owes no procedural concession to those who have consistently refused His mercy. He is not bound by human expectations of fair notice, and judgment’s timing is His prerogative alone.


Reformed Theological Significance

Reformed Theological Significance: This passage is a cornerstone text for the Reformed doctrine of divine sovereignty in both election and reprobation — a significance made explicit by Paul’s citation of Exodus 9:16 in Romans 9:17. The hardening of Pharaoh is not treated in Scripture as a philosophical problem to be softened but as a revelation of God’s freedom and glory to be proclaimed. Reformed theology insists that God’s sovereignty over Pharaoh’s heart does not eliminate Pharaoh’s genuine culpability — Pharaoh refuses because he refuses — but it does establish that God’s purposes are not contingent upon human cooperation or resistance. The magicians’ defeat also carries covenantal significance: Egypt’s counter-witnesses are struck down in the very act of standing before Moses, visually confirming that Yahweh’s appointed mediator cannot be opposed. The passage anticipates the full Christological pattern — the one through whom God acts cannot ultimately be resisted, and those who appoint themselves his adversaries are, in the end, broken by the very judgment they sought to prevent.


Main Takeaway

God is not scrambling to overcome Pharaoh’s resistance — He prescribed it. Every human strategy of opposition to His purposes has been stripped away, the magicians are afflicted and silent, and the heart that keeps refusing is itself in God’s hand. The word for the believer is not “God will eventually win” as though the outcome were in doubt — it is “God has never not been winning.” And the word for anyone still holding something back from Him is this: the space for turning is real, but it is not infinite, and the One who hardens is also the One who must soften — which means the time to turn is now.


Preaching/Teaching Pitfalls