← Exodus
Lesson 11 of 18 · about 20 min

Blood on the Altar

What does it mean to officially commit yourself to a relationship with God?

📖 Exodus 24:1-18
1Read
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Exodus 24:1-18

Read the whole passage before anything else. Everything below exists to help you understand what you just read.

1He said to Moses, “Come up to the LORD, you, and Aaron, Nadab, and Abihu, and seventy of the elders of Israel; and worship from a distance.

2Moses alone shall come near to the LORD, but they shall not come near. The people shall not go up with him.”

3Moses came and told the people all the LORD’s words, and all the ordinances; and all the people answered with one voice, and said, “All the words which the LORD has spoken will we do.”

4Moses wrote all the LORD’s words, then rose up early in the morning and built an altar at the base of the mountain, with twelve pillars for the twelve tribes of Israel.

5He sent young men of the children of Israel, who offered burnt offerings and sacrificed peace offerings of cattle to the LORD.

6Moses took half of the blood and put it in basins, and half of the blood he sprinkled on the altar.

7He took the book of the covenant and read it in the hearing of the people, and they said, “We will do all that the LORD has said, and be obedient.”

8Moses took the blood, and sprinkled it on the people, and said, “Look, this is the blood of the covenant, which the LORD has made with you concerning all these words.”

9Then Moses, Aaron, Nadab, Abihu, and seventy of the elders of Israel went up.

10They saw the God of Israel. Under his feet was like a paved work of sapphire stone, like the skies for clearness.

11He didn’t lay his hand on the nobles of the children of Israel. They saw God, and ate and drank.

12The LORD 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.”

13Moses rose up with Joshua, his servant, and Moses went up onto God’s Mountain.

14He said to the elders, “Wait here for us, until we come again to you. Behold, Aaron and Hur are with you. Whoever is involved in a dispute can go to them.”

15Moses went up on the mountain, and the cloud covered the mountain.

16The LORD’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 the LORD’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.

World English Bible (public domain)Read in another translation
2Understand

What just happened?

Imagine standing at the base of a towering, smoking mountain in the middle of a vast desert. This isn't just any mountain; it's Sinai, or Horeb, a jagged peak in the southern Sinai Peninsula, a place the Israelites had reached after escaping centuries of slavery in Egypt. They'd witnessed ten plagues, walked through a parted sea, and now, week after week, they were hearing directly from the God who had delivered them. This dramatic landscape, far from any major civilization, became the stage for a covenant, a formal agreement, between God and this newly formed nation. It was a commitment ceremony, written in blood, designed to bind them together.

After receiving the Ten Commandments and a raft of laws from God, Moses descends the mountain to relay these divine instructions to the entire Israelite community. This isn't a casual presentation; it's a critical moment where the people must decide if they are 'in' or 'out.' Their response is immediate and unanimous: 'All the words which the LORD has spoken will we do.' This isn't a mere verbal affirmation; it’s a commitment that sets the stage for a solemn ritual, establishing the terms of their relationship with the divine. The setting is raw and immediate: an altar built at the mountain's foot, twelve stone pillars representing each tribe, and animals ready for sacrifice.

The climax of this commitment ceremony involves a blood ritual. Moses slaughters young bulls, collecting their blood, a potent symbol of life and covenant in the ancient Near East. Half is splashed on the altar, representing God’s side of the agreement. Then, with the 'book of the covenant' – the laws he had just read – freshly affirmed by the people, Moses sprinkles the remaining blood directly onto the people, declaring, 'Look, this is the blood of the covenant, which the LORD has made with you concerning all these words.' This act was a visceral, unforgettable confirmation of their mutual promise. Afterwards, a select group – Moses, Aaron, his sons Nadab and Abihu, and seventy elders – ascend further up the mountain for a unique, almost unimaginable encounter with God, where they see Him and even share a meal in His presence.

Exodus 24:3-4

The People's Promise

Moses comes down from the mountain and 'told the people all the LORD’s words, and all the ordinances.' These aren't just suggestions; they are divine instructions, setting the boundaries for a holy nation. The people's response is unequivocal: 'All the words which the LORD has spoken will we do.' This is a collective vow, a binding promise made by an entire community. It's not a hesitant agreement; it's a unified declaration of intent to obey the God who rescued them. This is the bedrock upon which the entire covenant relationship will be built. They are willingly entering into this contract.

Immediately, Moses acts on this commitment. He 'wrote all the LORD’s words,' emphasizing the permanence and seriousness of their agreement. Then, 'rose up early in the morning and built an altar at the base of the mountain, with twelve pillars for the twelve tribes of Israel.' The altar signifies a place of meeting with God, often through sacrifice. The twelve pillars aren't just decorative; they are symbolic representations of each of the twelve clans or tribes that make up the nation of Israel. Each tribe is individually represented, signifying that this covenant applies to every single family and individual within the larger community, solidifying their collective identity under this agreement.

Exodus 24:5-8

Blood Covenant

To solemnize this agreement, Moses 'sent young men of the children of Israel, who offered burnt offerings and sacrificed peace offerings of cattle to the LORD.' A 'burnt offering' (Hebrew: *olah*) was entirely consumed by fire, symbolizing complete dedication and atonement. A 'peace offering' (Hebrew: *shelem*) involved sharing the meat, fostering communion between God and the offerer. The specific choice of offerings underscores both the seriousness of the covenant and the desire for harmonious relationship. Blood was central to ancient covenant-making, representing life itself and the gravity of the oath. This wasn't a metaphor; it was a deeply symbolic and literal act.

Moses then 'took half of the blood and put it in basins, and half of the blood he sprinkled on the altar.' The altar represents God's presence. Sprinkling blood on it signifies God's participation and acceptance of the covenant terms. Then, after rereading the 'book of the covenant' and getting a second, equally fervent affirmation from the people ('We will do all that the LORD has said, and be obedient'), Moses performs the climactic act: 'took the blood, and sprinkled it on the people, and said, “Look, this is the blood of the covenant, which the LORD has made with you concerning all these words.”' The blood on the people physically bound them to the agreement, indicating that their very lives were now tied to these laws and to God.

Exodus 24:9-11

Seeing God

Following the blood ceremony, a select group – Moses, Aaron, his two sons Nadab and Abihu, and seventy elders – is invited to 'go up' further onto the mountain. This ascent isn't just a change in elevation; it’s a progression in intimacy and revelation. What they witness is profound: 'They saw the God of Israel.' In a culture where even touching a holy mountain was forbidden, this direct sight of God is astonishing. The description is brief but vivid: 'Under his feet was like a paved work of sapphire stone, like the skies for clearness.' This evokes majesty, purity, and an almost transcendent, otherworldly foundation beneath the divine presence. It's a visual, albeit partial, encounter with the Creator.

The most remarkable aspect of this divine encounter is that 'He didn’t lay his hand on the nobles of the children of Israel. They saw God, and ate and drank.' In an era where seeing God was often equated with death, this passage explicitly states their survival. Not only did they live, but they shared a communal meal in God's presence, signifying peace, fellowship, and the establishment of a relationship. This is not a vision in a dream; it's a physical, shared experience of divine presence and provision on the holy mountain. It underscores that God initiated this covenant not just with laws, but with a desire for direct relationship, even with its inherent dangers.

3Discover

What are we supposed to see?

This passage shows a God who is both utterly transcendent and intimately relational. He calls people to a sacred mountain, a place of fearsome fire and cloud, demonstrating His immense power and holiness. The description of His 'feet' on sapphire pavement, shining like the sky, paints a picture of glorious, unapproachable majesty. Yet, this same God invites a select group to not only see Him but to share a meal in His presence. He could have simply dictated laws; instead, He orchestrated an elaborate ceremony and a personal encounter, revealing a deep desire for His people to know Him, not just obey Him.

It also shows a God who demands commitment and takes human promises seriously. The entire covenant ceremony, with its written words, animal sacrifices, and blood sprinkling, emphasizes the gravity of the agreement. God isn't looking for casual followers; He is establishing a formal, binding relationship with a nation. When the people declare 'All the words which the LORD has spoken will we do,' God responds by sealing that promise with a vivid, visceral ritual. This demonstrates His expectation for wholehearted obedience and His willingness to enter into a mutual covenant where His word and their response are both critical.

  • 1
    IDENTITY

    God is the ultimate Covenant Maker, initiating solemn, binding agreements with humanity.

  • 2
    WHAT HE VALUES

    He values sincere, collective commitment to His words and seeks a relational communion with His people.

  • 3
    WHAT HE CONFRONTS

    He confronts human nonchalance towards sacred vows, demanding a full-hearted and public declaration of allegiance.

Where this sits in the whole Bible

Exodus 24:8 → Hebrews 9:11-14

Moses' sprinkling of blood on the people establishes the Old Covenant. Hebrews contrasts this with the 'blood of Christ,' a superior covenant that purifies consciences and offers eternal redemption, not just temporary cleansing.

Exodus 24:10-11 → John 1:18

The elders 'saw the God of Israel' in a limited, controlled manner. John states that 'No one has ever seen God' in His full essence, but Jesus, 'God the One and Only,' has made Him known, revealing God perfectly.

Exodus 24:7 → Jeremiah 31:31-34

The Israelites verbally committed to the Old Covenant's laws. Jeremiah prophesies a 'new covenant' where God's law will be written 'on their hearts,' indicating an internal transformation rather than just external adherence.

The one thing to remember

The blood covenant wasn't just a symbol; in ancient Near Eastern thought, it was a literal binding of lives, a promise sealed with the most precious commodity – life itself. This made the agreement between God and Israel unbreakable in its original intent, with profound consequences for fidelity or betrayal.

4Deep reflection

Don't rush past this

The casual use of animal sacrifice and blood ritual in this passage can be jarring. Animals are slaughtered not for food, but specifically to obtain their blood, which is then handled by Moses and sprinkled on both the altar and the people. For modern sensibilities, this can seem gruesome and primitive, a stark reminder of how far our cultural practices have shifted. It forces us to confront an ancient world where life and death, sacred and profane, were often intertwined with graphic rituals, challenging our comfort with sanitized spirituality.

Another unsettling aspect is the seemingly exclusive nature of the encounter with God. While the entire people make the covenant, only Moses, Aaron, his sons, and seventy elders are permitted to ascend and 'see' God. This raises questions about access to the divine and the hierarchical structures present even at the dawn of Israel's relationship with God. Why were some privileged to this direct vision while the majority remained at a distance? It highlights a distinction in roles and proximity to the divine presence that some might find unsettling or elitist.

Turn it inward

Three questions from this passage. Answer them or just sit with them — nothing here is required to finish the lesson.

The mirror
The cost
The decision
Pray

God of covenants, thank you for inviting us into a relationship with you. We confess that our promises often waver, and our commitments sometimes falter. Help us to take our vows seriously, both to you and to others. Strengthen our resolve to live out the commitments we make. May our lives reflect a genuine desire to walk with you in obedience and faith.

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5Live it
One step this week

Consider a promise you made recently, either to God or another person. This week, reflect on the seriousness of that commitment. Take one concrete step, however small, to fully honor that promise, remembering that words backed by action hold real weight.

Go deeper — optional

History, language, objections and sources. None of it is needed to understand the passage.

Hard questions
If God is all-powerful and all-knowing, why does He need a formal 'covenant' ceremony with blood and vows from humans? Doesn't He already know what they'll do, and couldn't He just command it?
Interpretation

This question touches on the nature of God's relationship with humanity. While God is indeed all-powerful, the Bible consistently portrays Him as choosing to relate to humans through agreements and promises, rather than pure force. A covenant, in the ancient world, was a legal and relational framework. It wasn't about God's *need*, but about His *choice* to invite humans into a partnership, defining the terms for their flourishing within that relationship. The ceremony serves to make the commitment tangible and memorable for the human participants, grounding divine truth in human experience, much like a wedding ceremony isn't 'needed' by spouses who already love each other, but serves to publicly define and solemnize their commitment. This is a matter of interpretation regarding God's relational style.

The elders 'saw the God of Israel' and ate and drank. Does this mean they literally saw God, contradicting other verses that say 'no one can see God and live'?
Debated

This is a debated point among scholars. Some argue that 'seeing God' here refers to a mediated or symbolic vision, perhaps of His glory or an angelic representative, rather than His full, unmasked divine essence. The phrase 'under his feet was like a paved work of sapphire stone' might describe a vision of His glorious throne or a manifestation of His presence, not God's literal form. Others suggest that God chose to specially manifest Himself in a way that permitted these specific individuals to survive the encounter, temporarily suspending the normal rules. The text emphasizes that 'He didn’t lay his hand on the nobles,' implying that their survival was miraculous. The precise nature of what they 'saw' remains unknown, though it was clearly a profound and life-altering encounter. It is debated how this reconciles with statements about not seeing God's face directly.

The Israelites agree to 'do all that the LORD has said,' but we know they constantly failed later. Does this mean their initial commitment was insincere, or that the covenant itself was flawed from the start?
Historic Christian belief

Their initial commitment was likely sincere in the moment, born out of awe and gratitude for their deliverance. However, sincerity at a single point in time doesn't guarantee lifelong obedience, especially when faced with temptation and hardship. The covenant itself wasn't flawed in its demands, but it highlighted the inherent human difficulty in consistently fulfilling those demands. The repeated failures of Israel don't negate the sincerity of their initial vow, but rather demonstrate the persistent challenge of living up to a holy standard. It points to a need for more than just human will to uphold such a relationship, foreshadowing the later understanding of God's grace and a new covenant. This is a matter of belief regarding human nature and the purpose of the law.

Ancient Near Eastern Covenant Forms

The covenant ceremony in Exodus 24 shares striking similarities with ancient Near Eastern (ANE) suzerain-vassal treaties. These treaties, common between a powerful king (suzerain) and a lesser king or nation (vassal), typically included elements like a preamble identifying the suzerain, historical prologue detailing past beneficence, stipulations (laws), deposition of the text, witnesses (often gods), blessings for obedience, and curses for disobedience. The Exodus 24 account, following the giving of the Law (stipulations) and the historical prologue of deliverance from Egypt, fits this pattern remarkably well. The sprinkling of blood, a common element in ANE treaties, served as a physical seal for the agreement, signifying the life-and-death consequences of breaking it.

The 'book of the covenant' mentioned in verse 7 was likely the collection of laws from Exodus 20:22–23:33. The act of writing down the stipulations was crucial in ANE treaties, making the agreement legally binding and permanent. The twelve pillars symbolized the unified tribal identity of Israel, emphasizing that all segments of the nation were equally bound to this covenant. This ritual was not unique to Israel in its form, but its content – a covenant with the one true God – made it profoundly unique in its purpose and implications for a nation's identity and destiny.