Deuteronomy 9:9 · Bible study
Deuteronomy 9:9 Commentary: Moses’ Forty-Day Fast
Hebrew · 5 what the commentators say
Meaning in one sentence
Why does Moses emphasize no food or water? Explore the contrast between his devotion and Israel's rebellion, and its meaning for faith.
Research Summary
- Meaning: Moses’ forty-day fast without food or water underscores his total devotion and starkly contrasts Israel’s impatient idolatry at Sinai.
- Key words: ‘tablets of the covenant’ (H3871, H1285), ‘forty days/nights’ (H705, H3117, H3915), ‘did not eat/drink’ (H398, H8354 with negation).
- Main debate: Whether the forty-day fast originally belonged to Moses’ first or second ascent on the mountain (source-critical discussion in Cambridge Bible).
- Theological theme: Covenant mediator’s intercessory suffering; contrast between God-sustained devotion and human rebellion.
- Best use: Preaching on patience, intercession, and the privilege of waiting on God while others fall away.
Translation Comparison
BSB Berean Standard Bible 2020
When I went up on the mountain to receive the tablets of stone, the tablets of the covenant that the LORD made with you, I stayed on the mountain forty days and forty nights. I ate no bread and drank no water.
WEB World English Bible 2000
When I had gone up onto the mountain to receive the stone tablets, even the tablets of the covenant which Yahweh made with you, then I stayed on the mountain forty days and forty nights. I neither ate bread nor drank water.
KJV King James Version 1769
When I was gone up into the mount to receive the tables of stone, even the tables of the covenant which the Lord made with you, then I abode in the mount forty days and forty nights, I neither did eat bread nor drink water:
ASV American Standard Version 1901
When I was gone up into the mount to receive the tables of stone, even the tables of the covenant which Jehovah made with you, then I abode in the mount forty days and forty nights; I did neither eat bread nor drink water.
YLT Young's Literal Translation 1898
`In my going up into the mount to receive the tables of stone (tables of the covenant which Jehovah hath made with you), and I abide in the mount forty days and forty nights; bread I have not eaten, and water I have not drunk;
Darby Darby Bible 1890
when I went up the mountain to receive the tables of stone, the tables of the covenant which Jehovah made with you, and I abode in the mountain forty days and forty nights, — I ate no bread and drank no water, —
Douay-Rheims Douay-Rheims Bible 1899
When I went up into the mount to receive the tables of stone, the tables of the covenant which the Lord made with you: and I continued in the mount forty days and nights, neither eating bread, nor drinking water.
Translations in other languages (10 available)
Cuando yo subí al monte para recibir las tablas de piedra, las tablas del pacto que Jehová hizo con vosotros, estuve entonces en el monte cuarenta días y cuarenta noches, sin comer pan ni beber agua:
Quando eu subi ao monte para receber as tábuas de pedra, as tábuas do pacto que o SENHOR fez convosco, estive então no monte quarenta dias e quarenta noites, sem comer pão nem beber água:
Lorsque je fus monté sur la montagne, pour prendre les tables de pierre, les tables de l’ alliance que l’ Éternel a traitée avec vous, je demeurai sur la montagne quarante jours et quarante nuits, sans manger de pain et sans boire d’ eau;
da ich auf den Berg gegangen war, die steinernen Tafeln zu empfangen, die Tafeln des Bundes, den der HERR mit euch machte, und ich vierzig Tage und vierzig Nächte auf dem Berge blieb und kein Brot aß und kein Wasser trank
Als ik op den berg geklommen was, om te ontvangen de stenen tafelen, de tafelen des verbonds, dat de HEERE met ulieden gemaakt had, toen bleef ik veertig dagen en veertig nachten op den berg, at geen brood, en dronk geen water.
Quand’io fui salito sul monte a prendere le tavole di pietra, le tavole del patto che l’Eterno avea fermato con voi, io rimasi sul monte quaranta giorni e quaranta notti, senza mangiar pane né bere acqua;
Gdym wstąpił na górę, abym wziął tablice kamienne, tablice przymierza, które uczynił Pan z wami, i trwałem na górze czterdzieści dni, i czterdzieści nocy, chleba nie jedząc, ani wody pijąc:
когда я взошел на гору, чтобы принять скрижали каменные, скрижали завета, который поставил Господь с вами, и пробыл на горе сорок дней и сорок ночей, хлеба не ел и воды не пил,
我上了 山，要領受 兩塊石 版，就是 耶和華 與你們 立 約 的版。那時我在山 上住了 四十 晝 夜，沒有 吃 飯，也沒有 喝 水。
When I had gone up into the mountain to be given the stones on which was recorded the agreement which the Lord made with you, I was on the mountain for forty days and forty nights without taking food or drinking water.
Verse in Context
Original Language (Biblical Hebrew)
Old Testament · Biblical Hebrew · Deuteronomy 9:9
Source: STEPBible TAGNT/TEHB (CC-BY 4.0). Click or tap a morphology code to see the full parsing.
Scholars' Consensus
Commentators across traditions agree that Moses here underscores the extraordinary nature of his reception of the law. Cambridge Bible notes the verse likely draws on earlier traditions from Exodus 24 and 34, but the point stands: Moses stayed on the mountain forty days and nights without eating or drinking. Gill and Matthew Henry both stress that this prolonged absence contributed to Israel’s descent into idolatry, their impatience stood in stark contrast to Moses’ self-denial. Lange’s Commentary sees the fast as a sign of Moses’ total absorption in God, while Israel formed “the exact counterpart” in rebellion. The consensus is that this detail is not incidental. It frames the giving of the covenant as a moment of utter devotion and intercession, and it exposes the people’s unfaithfulness. For readers, the verse invites reflection on how quickly human impatience can fracture covenant relationship, and how one person’s wholehearted pursuit of God can hold the gap.
How settled is the interpretation?
Interpretive difficulty: Low
What is clear: Moses received the stone tablets on the mountain, remained there forty days and nights, and consumed no food or water during that time.
What Scholars Agree and Debate
| Topic | Agreed | Debated |
|---|---|---|
| Historicity of the forty-day fast | Jewish and Christian traditions have read the fast as a literal, supernatural event marking Moses’ close communion with God. | Some modern critical scholars see the parallel accounts in Exodus 24 and 34 as reflecting different source traditions (J, E, P), with the fast possibly transferred from the second ascent. This does not affect the theological point of the spiritual reality signified. |
| The significance of ‘forty days’ | All traditions understand forty days as a symbolic period of testing, preparation, or judgment, recurring elsewhere in Scripture (e.g., the flood, Elijah, Jesus’ temptation). | Some see it primarily as a chronological marker; others emphasize the parallel to Israel’s forty years in the wilderness as a typological connection. |
| Role of this verse in Deuteronomy | Commentators agree the verse is part of Moses’ pre-conquest sermon to humble Israel and discourage self-righteousness. | Source critics debate whether the verse is drawn from the Yahwist (J) or Elohist (E) strand; confessional interpreters treat it as unified Mosaic testimony. |
Historical & Cultural Context
Deuteronomy 9:9 sits inside Moses’ farewell sermon to Israel, just before they enter Canaan. The people had grown up in the wilderness; their parents had rebelled at Sinai and died in the desert. Now Moses reminds the new generation of that defining failure.
The event in view is the giving of the law at Mount Horeb (Sinai). After the people pledged to obey the covenant (Exodus 24:7), Moses ascended the mountain. Forty days was a period of completion and testing, reappearing elsewhere in Scripture as a span for trial (the spies in Canaan, Elijah’s journey, Jesus’ temptation). The detail that Moses “neither ate bread nor drank water” is unique to the Sinaitic narrative. It suggests a supernatural sustainment; Moses was so taken up by the divine presence that physical needs ceased.
Yet while Moses was on the mountain, the people grew restless. They pressured Aaron to make a golden calf, then “sat down to eat and drink, and rose up to play” (Exodus 32:6). The contrast is sharp: Moses fasting before God, the people feasting before an idol. Moses’ fast underscores that the covenant was a matter of life and death, not a ceremony to be treated lightly. He uses this memory decades later to humble a generation prone to believe its own righteousness is the reason for the conquest (Deuteronomy 9:4, 6). Israel’s hope rests on God’s promise, not on their fidelity.
Textual Notes
The supplied commentaries and manuscript evidence note no significant textual variants for Deuteronomy 9:9. The verse is stable across the Masoretic tradition, the Dead Sea Scrolls, and the ancient versions. All translations convey the same content: Moses’ ascent, reception of the stone tablets, forty-day stay, and abstinence from food and water.
Reception History
Deuteronomy 9:9 has been read across centuries as a model of intercessory devotion. Early monastic writers cited Moses’ fast to illustrate the possibility of sustained communion with God. The verse’s phrase “forty days and forty nights” became the pattern for Lent in many traditions, with Jesus’ own forty-day fast in the wilderness (Matthew 4:2) seen as a fulfillment of the pattern of the mediator. Reformation-era commentators such as Calvin and Matthew Henry used the detail to expose human self-righteousness and to magnify God’s grace in preserving a rebellious people through a faithful mediator. More recently, the verse has been employed in discussions of fasting and spiritual discipline, though always with the caution that Moses’ fast was unique and not a template for ordinary Christian practice.
Preaching This Verse
Three-point outline
- Moses went up to receive what Israel had already agreed to. The tablets of the covenant represented the words the people themselves had accepted (Exodus 24:3). Moses’ journey was not for new revelation but for the formal embodiment of a commitment already made.
- Forty days without food or water shows total reliance on God. Human beings cannot survive such a fast naturally. Moses was sustained by the presence of Yahweh himself, which points to the kind of dependence the covenant relationship requires.
- While Moses fasted, Israel feasted in rebellion. The people did not wait. Their idolatry and Moses’ intercession form the moral center of the story. The contrast exposes sin and highlights grace.
Five-point outline
- The Setting: Horeb, the mountain of covenant-making (Exodus 24:12, 18).
- The Tablets: Stone slabs written by God’s own finger (Exodus 31:18).
- The Fast: Forty days and nights without physical sustenance, a miracle of God’s provision.
- The People: Down below, making a calf, saying “these are your gods, O Israel” (Exodus 32:4).
- The Contrast: One man sustained by the true God, a nation feeding on an illusion.
Illustration hooks
- A medical professional working a double shift, running on adrenaline and purpose, only to come home to find a household in chaos. The feeling of “I gave everything, and you couldn’t hold things together” mirrors Moses’ experience.
- Waiting for a promised diagnosis, a delivery, or a reply, the longer the wait, the easier it is to abandon hope and grab at the nearest counterfeit comfort.
Questions your congregation is asking
- Did Moses really not eat or drink for forty days? How is that possible?
- Is this fast something Christians should try to imitate?
- How do I wait on God when obedience feels lonely?
Leading a Discussion
This small detail, no food, no water, carries the weight of the whole story. It shows what covenant faithfulness looked like from Moses’ side, and by contrast, what it failed to look like from Israel’s side. Use the questions below to help your group see the shape of grace hidden in this stark contrast.
Discussion questions
- Read Deuteronomy 9:7, 12. Why does Moses remind the people of the golden calf incident right after telling them they are not righteous? What does that suggest about human nature?
- What does the forty-day fast tell you about Moses’ relationship with God? How is it different from what the people were doing during that time?
- Exodus 32:6 records the people eating and drinking at the calf. How does that image compare with Moses’ fast? What does each activity say about trust in God?
- Have you ever “feasted” on something that was actually a substitute for waiting on God? Share a way this has showed up in your life.
- Moses had no control over how long he stayed. How do you handle seasons where God’s timeline stretches your patience?
- The covenant existed before Moses brought down the tablets. In what sense does this verse suggest that the real problem was not the law, but the human heart?
- Where in your life right now might God be asking you to fast from something, comfort, approval, control, so you can receive what He is giving?
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 24:12 | Yahweh said to Moses, “Come up to me on the mountain, and stay here, and I will give you the stone tablets with the law and the commands that I have written, that you may teach them.” |
| Exodus 24:15 | Moses went up on the mountain, and the cloud covered the mountain. |
| Exodus 24:18 | Moses entered into the middle of the cloud, and went up on the mountain; and Moses was on the mountain forty days and forty nights. |
| Exodus 31:18 | When he finished speaking with him on Mount Sinai, he gave Moses the two tablets of the covenant, stone tablets, written with God’s finger. |
| Exodus 34:28 | He was there with Yahweh forty days and forty nights; he neither ate bread, nor drank water. He wrote on the tablets the words of the covenant, the ten commandments. |
| Deuteronomy 9:15 | So I turned and came down from the mountain, and the mountain was burning with fire. The two tablets of the covenant were in my two hands. |
| Deuteronomy 9:18 | I fell down before Yahweh, as at the first, forty days and forty nights. I neither ate bread nor drank water, because of all your sin which you sinned, in doing that which was evil in Yahweh’s sight, to provoke him to anger. |
| I Kings 13:8 | The man of God said to the king, “Even if you gave me half of your house, I would not go in with you, neither would I eat bread nor drink water in this place; |
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
Read the devotional page — prayer, application, and "for families"
What the Commentators Say
5 public-domain commentaries, condensed into plain language.
Cambridge Bible for Schools and Colleges Anglican 1880
The Cambridge Bible commentary notes that this verse differs from the parallel account in Exodus, omitting mention of the elders and Aaron while adding the phrase "tables of the covenant" to the earlier description of stone tablets. The detail about Moses eating and drinking nothing appears to have been borrowed from a separate tradition about his second ascent.
Geneva Bible Notes Reformed 1599
When I was gone vp into the mount, to receiue the tables of stone, the tables, I say, of the couenant, which the Lord made with you: and I abode in the mount fourtie daies and fourtie nights, and I neither ate bread nor yet dranke water:
Gill's Exposition of the Bible Baptist 1748
Gill observes that Moses’ long stay on the mountain, without food or water, helped cause the people’s idolatry: they did not know what had become of him. This happened even though they had just heard the law against idolatry and solemnly promised to keep the covenant.
Lange's Commentary Reformed 1857
Lange argues that Moses applies the second commandment not just to outward idolatry but to the refined sin of self-righteousness. By ironically quoting the spies’ fearful words about the Anakim, Moses shows Israel that their only claim to Canaan is God’s free grace, not their own merit or uprightness.
Matthew Henry's Commentary Reformed/Presbyterian 1710
Matthew Henry calls this passage a deliberate safeguard against self-righteousness. By tracing Israel's rebellions from Egypt onward, and especially at Horeb itself, Moses forces the people to confront their unbroken pattern of provoking God, leaving no room for pride in their own goodness.