Exodus 24:15-18 · Bible study
Exodus 24:15-18 Commentary: Cloud and Glory on Sinai
Hebrew · 10 what the commentators say
Meaning in one sentence
What does the cloud covering Sinai mean? Explore God's glory, consuming fire, and Moses' forty days in this in-depth Bible study.
Research Summary
- Meaning: The cloud on Sinai signifies God’s glorious presence, both hidden and revealed, as Moses is called into direct communion with God.
- Key words: cloud (עָנָן / 'anan), glory (כָּבוֹד / kavod), consuming fire (אֵשׁ אֹכֶלֶת / 'esh okhelet), forty days.
- Main debate: Whether the six days of waiting are included within the forty days on the mountain (Wesley argues they are separate; Keil includes them).
- Theological theme: Divine transcendence and immanence; the pattern of preparation before revelation; the consuming holiness of God.
- Best use: Teaching on God’s holiness, the nature of prayer and waiting, and the mediator role of Moses as a type of Christ.
Translation Comparison
BSB Berean Standard Bible 2020
15When Moses went up on the mountain, the cloud covered it,
16and the glory of the LORD settled on Mount Sinai. For six days the cloud covered it, and on the seventh day the LORD called to Moses from within the cloud.
17And the sight of the glory of the LORD was like a consuming fire on the mountaintop in the eyes of the Israelites.
18Moses entered the cloud as he went up on the mountain, and he remained on the mountain forty days and forty nights.
WEB World English Bible 2000
15Moses went up on the mountain, and the cloud covered the mountain.
16Yahweh’s glory settled on Mount Sinai, and the cloud covered it six days. The seventh day he called to Moses out of the middle of the cloud.
17The appearance of Yahweh’s glory was like devouring fire on the top of the mountain in the eyes of the children of Israel.
18Moses entered into the middle of the cloud, and went up on the mountain; and Moses was on the mountain forty days and forty nights.
KJV King James Version 1769
15And Moses went up into the mount, and a cloud covered the mount.
16And the glory of the Lord abode upon mount Sinai, and the cloud covered it six days: and the seventh day he called unto Moses out of the midst of the cloud.
17And the sight of the glory of the Lord was like devouring fire on the top of the mount in the eyes of the children of Israel.
18And Moses went into the midst of the cloud, and gat him up into the mount: and Moses was in the mount forty days and forty nights.
ASV American Standard Version 1901
15And Moses went up into the mount, and the cloud covered the mount.
16And the glory of Jehovah abode upon mount Sinai, and the cloud covered it six days: and the seventh day he called unto Moses out of the midst of the cloud.
17And the appearance of the glory of Jehovah was like devouring fire on the top of the mount in the eyes of the children of Israel.
18And Moses entered into the midst of the cloud, and went up into the mount: and Moses was in the mount forty days and forty nights.
YLT Young's Literal Translation 1898
15And Moses goeth up unto the mount, and the cloud covereth the mount;
16and the honour of Jehovah doth tabernacle on mount Sinai, and the cloud covereth it six days, and He calleth unto Moses on the seventh day from the midst of the cloud.
17And the appearance of the honour of Jehovah is as a consuming fire on the top of the mount, before the eyes of the sons of Israel;
18and Moses goeth into the midst of the cloud, and goeth up unto the mount, and Moses is on the mount forty days and forty nights.
Darby Darby Bible 1890
15And Moses went up to the mountain, and the cloud covered the mountain.
16And the glory of Jehovah abode on mount Sinai, and the cloud covered it six days; and on the seventh day he called to Moses out of the midst of the cloud.
17And the appearance of the glory of Jehovah was like a consuming fire on the top of the mountain, before the eyes of the children of Israel.
18And Moses went into the midst of the cloud, and ascended the mountain. And Moses was on the mountain forty days and forty nights.
Douay-Rheims Douay-Rheims Bible 1899
15And when Moses was gone up, a cloud covered the mount.
16And the glory of the Lord dwelt upon Sinai, covering it with a cloud six days: and the seventh day he called him out of the midst of the cloud.
17And the sight of the glory of the Lord, was like a burning fire upon the top of the mount, in the eyes of the children of Israel.
18And Moses entering into the midst of the cloud, went up into the mountain: And he was there forty days and forty nights.
Verse in Context
Original Language (Biblical Hebrew)
Old Testament · Biblical Hebrew · Exodus 24:15
Source: STEPBible TAGNT/TEHB (CC-BY 4.0). Click or tap a morphology code to see the full parsing.
Scholars' Consensus
Across the supplied commentaries, several points of agreement emerge about this passage. The cloud that covers Sinai is both a manifestation and a concealment of Yahweh's glory. The Cambridge Bible notes that the cloud regularly enshrouds the 'glory' of Jehovah. Gill explains that the cloud covered the glory so it was not seen directly, but after six days it appeared 'like devouring fire.' Commentators agree that the six days are a period of waiting and preparation (Matthew Henry, Wesley). On the seventh day, God calls Moses out of the cloud, a pattern echoing creation's rest (Clarke). Moses' forty days and nights without food (Barnes, Keil) signify a period of miraculous divine sustenance and testing. The fire atop the mountain serves as a visible sign of God's holiness to the Israelites below (Jamieson-Fausset-Brown, Clarke). Together, these elements portray a God who draws near while protecting his creatures from the full weight of his glory.
How settled is the interpretation?
Interpretive difficulty: Low
What is clear: The cloud covering Sinai is a visible theophany that both reveals and conceals God's glory, marking his holy presence and calling his people to reverent waiting.
What Scholars Agree and Debate
| Topic | Agreed | Debated |
|---|---|---|
| Purpose of the cloud | All traditions agree the cloud is a visible sign of God's presence and glory, both revealing and concealing him. | Some emphasize the cloud as a protective veil shielding Moses from direct exposure (Gill, Calvin), while others stress it as a means of revelation that makes God accessible (Lange, Cambridge Bible). |
| Length of Moses' stay | Moses was on the mountain forty days and nights without food or drink, sustained by God. | Commentators differ on whether the six days of waiting are part of the forty. Wesley and Keil see them as distinct; Matthew Henry's language suggests they are included. |
| Visibility of God's glory to the people | The Israelites saw a sight like devouring fire on the mountaintop and knew God was present. | Some argue the people saw only the fire covering the peak (Clarke, Gill), while others suggest they may have glimpsed the glory itself flashing through the cloud (Cambridge Bible, Lange). |
Historical & Cultural Context
This passage follows the ratification of the covenant in Exodus 24:1-11, where Moses, Aaron, his sons, and seventy elders saw God and ate a covenant meal. Now Moses is summoned further up the mountain to receive the stone tablets (v.12). The cloud that covers Sinai is the same pillar of cloud that led Israel from Egypt (Exodus 13:21-22) and had previously appeared at Meribah and during the giving of manna. Here it settles permanently on the summit during the time of revelation.
Ancient readers would recognize the cloud as a standard marker of divine presence in the ancient Near East. The six days of waiting recall the creation week, with the call coming on the seventh day, the Sabbath. Adam Clarke suggests Moses likely ascended on the first day of the week, so that the sixth day brought the Sabbath call. The term 'glory' (Hebrew kavod) carries the sense of weight, honor, and visible splendor; God's glory is the tangible manifestation of his character. The consuming fire (Hebrew 'esh okhelet) echoes the burning bush (Exodus 3:2) and prefigures the warning in Hebrews 12:29 that 'our God is a consuming fire.'
The forty days and nights correspond to several biblical periods of testing: Elijah's journey to Horeb (1 Kings 19:8), Jesus' temptation in the wilderness (Matthew 4:2), and Israel's forty years in the desert (Deuteronomy 8:2). Keil and Delitzsch note that the number symbolizes a period of trial and divine strengthening. During this time Moses neither ate nor drank (Deuteronomy 9:9), sustained solely by the presence of God. The geographical setting, a peak scarcely thirty paces wide, according to one observer, underscores the intimate, dangerous nearness of the encounter.
Textual Notes
The supplied commentaries note no significant textual variants for Exodus 24:15-18. The Masoretic Text is consistent across the manuscript traditions represented by the translations provided (WEB, KJV, ASV, BSB, YLT, Darby, Douay). The main differences are stylistic choices (e.g., 'Yahweh' vs. 'LORD,' 'devouring' vs. 'consuming' fire). None affect interpretation.
Reception History
Exodus 24:15-18 has been a foundational text for understanding divine revelation. The verb shakan (to dwell) in verse 16 gave rise to the term Shekinah, the visible presence of God among his people. Rabbinic tradition saw the cloud as the medium through which Torah was given, emphasizing the need for purity and preparation before receiving God's word. Early Christian interpreters, such as Origen, read the passage typologically: the cloud is Christ veiling his divinity, and Moses' ascent prefigures the believer's journey into the presence of God through the Mediator. The Reformed tradition (Calvin, Matthew Henry) stressed the consuming fire as a call to reverence and holy fear. In liturgical practice, the six days of waiting became a model for Advent and Lenten preparation. The passage also undergirds hymns that speak of God as a 'consuming fire' (e.g., based on Hebrews 12:29). Across traditions, the cloud and fire at Sinai remain a vivid picture of a God who is both terrifyingly holy and graciously near.
Preaching This Verse
Three-point outline
- The God Who Conceals and Reveals. The cloud hides God’s glory even as it signals his presence. The people see fire on the mountaintop, but the fullness remains veiled. Revelation comes on God's terms and in God's time.
- Waiting on God’s Schedule. Six days of silence, then a call on the seventh. Moses does not rush into the presence. Preparation precedes encounter. God’s timing teaches patience and trust.
- Sustained by God Alone. Forty days without food. Moses lives by every word that comes from the mouth of God. This foreshadows Christ’s fasting and his own reliance on the Father.
Five-point outline
- The ascent (v.15): taking the first step toward God.
- The cloud (v.16): learning to dwell in divine mystery.
- The fire (v.17): reverencing a holy God.
- The call (v.16-18): responding when God speaks.
- The forty days (v.18): receiving the word that transforms.
Illustration hooks
- Waiting for test results. The six days of covering mirror the anxiety and hope of waiting for a doctor’s report. God meets us in the waiting.
- A thunderstorm from a safe distance. The people saw fire and cloud from camp, close enough to know God is near, far enough to be safe. Reverence and distance teach awe.
- A long retreat without distractions. Moses had no food, no schedule, no phone. Just God. Sometimes we need extended time apart to hear clearly.
Questions your congregation is asking
- Why does God sometimes seem hidden behind a cloud?
- What does it mean to “wait on God” when life is busy and urgent?
- How can I experience God’s presence without being consumed by it?
Leading a Discussion
This passage draws us into the mystery of God’s holy presence. The cloud both hides and reveals. The fire both frightens and draws. And Moses, the mediator, dares to enter what the people only see from a distance. As you discuss, let the tension between God’s nearness and his otherness shape your prayers and your view of worship.
Discussion questions
- What do you observe about the cloud in these verses? How is it described, and how does it function?
- Why do you think God made Moses wait six days before calling him? What might that reveal about God’s character?
- The glory of the Lord is described as a “consuming fire.” How does that image affect your understanding of worship and reverence?
- Compare this scene with Matthew 17:5, where Jesus is transfigured and a cloud overshadows him. What similarities and differences do you see?
- Moses fasted forty days and nights. In what ways do physical disciplines help us draw closer to God? When might they become empty rituals?
- How does this passage challenge or comfort you in your own walk with God?
- If you had to explain the meaning of the cloud and fire at Sinai to a new believer, what would you say?
Word Study
The key original-language words in this verse. Select any word for its full lexicon entry — meaning, every occurrence in Scripture, and related words.
Cross-References
Source: Treasury of Scripture Knowledge (TSK, public domain)
| Exodus 19:9 | Yahweh said to Moses, “Behold, I come to you in a thick cloud, that the people may hear when I speak with you, and may also believe you forever.” Moses told the words of the people to Yahweh. |
| Exodus 19:16 | On the third day, when it was morning, there were thunders and lightnings, and a thick cloud on the mountain, and the sound of an exceedingly loud trumpet; and all the people who were in the camp trembled. |
| II Chronicles 6:1 | Then Solomon said, “Yahweh has said that he would dwell in the thick darkness. |
| Matthew 17:5 | While he was still speaking, behold, a bright cloud overshadowed them. Behold, a voice came out of the cloud, saying, “This is my beloved Son, in whom I am well pleased. Listen to him.” |
| Exodus 16:10 | As Aaron spoke to the whole congregation of the children of Israel, they looked toward the wilderness, and behold, Yahweh’s glory appeared in the cloud. |
| Exodus 19:11 | and be ready for the third day; for on the third day Yahweh will come down in the sight of all the people on Mount Sinai. |
| Exodus 20:10 | but the seventh day is a Sabbath to Yahweh your God. You shall not do any work in it, you, nor your son, nor your daughter, your male servant, nor your female servant, nor your livestock, nor your stranger who is within your gates; |
| Leviticus 9:23 | Moses and Aaron went into the Tent of Meeting, and came out, and blessed the people; and Yahweh’s glory appeared to all the people. |
Interlinear and lexical data from STEPBible (CC BY 4.0). Cross-reference data from OpenBible.info (CC BY 4.0). Commentaries are public domain.
For personal reflection
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What the Commentators Say
10 public-domain commentaries, condensed into plain language.
Adam Clarke's Commentary Methodist/Wesleyan 1826
Clarke focuses on the timing: Moses entered the cloud on the first day, and God spoke to him on the seventh, the Sabbath. He interprets the devouring fire as a terrifying sight that likely caused the Israelites to assume Moses was consumed, which helps explain their quick fall into idolatry. Clarke then draws the typological link: Moses as mediator of the Old Covenant prefigures Christ, the sole mediator of the New Covenant who alone brings access to God.
Barnes' Notes on the Bible Protestant 1832
Barnes connects the forty-day fasts of Moses and Elijah with the same period Christ spent fasting in the Judean wilderness. He observes that these two men, who appeared with Jesus on the Mount of Transfiguration, each experienced a similar fast at the very same locations, thereby foreshadowing the Savior's own wilderness ordeal.
Cambridge Bible for Schools and Colleges Anglican 1880
The Cambridge Bible notes a distinctive difference between the sources: in the Priestly account, the cloud covers the mount immediately when Israel arrives at Sinai, enshrouding the Lord's glory. The brilliance of that glory then broke through the cloud as blazing fire, becoming visible to the people.
Geneva Bible Notes Reformed 1599
The Geneva notes emphasize that God made Moses wait six days under the cloud before calling him on the seventh, showing divine revelation follows a pattern of patient preparation. The glory appearing as consuming fire underscores God's holiness and the awe of His presence, which only Moses was summoned to enter.
Gill's Exposition of the Bible Baptist 1748
Gill emphasizes that Moses spent six days under the cloud on Sinai before God called him, a period of preparation and contemplation of divine glory. He stresses that Moses entered the cloud with extraordinary courage, seeing the Lord's glory flash like devouring fire, and remained on the mountain forty days and forty nights without food through a miracle.
Jamieson-Fausset-Brown Commentary Protestant 1871
JFB emphasizes that Moses entered the cloud itself, the visible sign of God’s presence, through divine grace that gave him holy boldness. The forty days and nights exclude the six days of waiting, during which Moses was miraculously sustained on a tiny peak barely thirty paces wide.
Keil & Delitzsch OT Commentary Protestant 1876
Keil-Delitzsch highlight that the forty days and nights are not incidental; the number appears repeatedly in Scripture as a period of both testing and divine strengthening. Moses, like Elijah and Jesus later, endured faith’s trial while being miraculously sustained by God throughout.
Lange's Commentary Reformed 1857
Lange stresses that the elders saw the God of Israel, not a form of Jehovah, and it was a vision with no objective image, only a sapphire footstool. The clear heaven at that moment reveals God’s covenant grace, in contrast to the later darkening of the mountain. Seeing God and eating and drinking were simultaneous, a wonder of grace.
Matthew Henry's Commentary Reformed/Presbyterian 1710
Henry emphasizes that God called Moses not only to come to the mount but to be there and remain, teaching that true communion with God requires staying, not merely visiting. He also highlights Moses' faithfulness: he taught only what he received from the Lord, neither adding nor diminishing from the instructions.
Wesley's Explanatory Notes Methodist/Wesleyan 1754
Wesley highlights the paradox that God reveals Himself while also concealing Himself in the thick cloud on Sinai. Only by extraordinary faith, furnished by grace, could Moses venture into the devouring fire of God's presence, where he then fasted completely for forty days and forty nights.