What does the blood ceremony of Exodus 24 seal, and how does dam ha-berit reach the Last Supper?
Moses throws half the blood on the altar (YHWH's side) and half on the people (Israel's side), then declares hinneh dam ha-berit — the one verse in the canon where the blood-dashing verb zaraq co-occurs with berit (covenant). The formula dam ha-berit ('blood of the covenant') runs from Exo 24:8 through Zec 9:11, is picked up by the LXX as the Greek construct haima tes diathekes, and reaches its terminus in the Last Supper traditions (Mat 26:28; Mrk 14:24), Heb 9:20 (which takes up the LXX phrase with the frame adapted), and Heb 13:20, 'the blood of the eternal covenant.'
The ceremony moves in a deliberate three-part sequence: words, oath, blood — and the blood falls on both parties.
The ceremony's structure. Moses first tells the people "all the words of YHWH and all the judgments," and they answer with one voice: כֹּ֛ל אֲשֶׁר דִּבֶּ֥ר יְהוָ֖ה נַעֲשֶׂ֥ה — kol asher diber YHWH na'aseh, "all the words YHWH has spoken we will do" (Exo 24:3, MT). Then Moses writes: וַיִּכְתֹּ֣ב מֹשֶׁ֔ה אֵ֕ת כָּל דִּבְרֵ֥י יְהוָ֖ה, "and Moses wrote (va-yikhtov, H3789) all the words of YHWH" (24:4, MT, confirmed by 4Q22 26.25 and the consolidated Dead Sea Hebrew) — the covenant is a document before it is a rite, the sefer ha-berit (H5612, Book of the Covenant) written externally. He builds an altar beneath the mountain with twelve pillars (matsevah, H4676) for the twelve tribes, and young men offer olot (burnt offerings, H5930) and zevachim shelamim (peace offerings, H8002) of bulls (24:5). Moses takes half the blood into basins and throws the other half on the altar (24:6). He reads the Book of the Covenant aloud, the people swear their oath (24:7), and then throws the remaining blood on the people.
The load-bearing lexical fact. The verb at the center of the rite is זָרַק (zaraq, H2236), "to toss or throw in a volume." It occurs thirty-five times across thirty-three canonical verses, and twelve of those occurrences are in Leviticus alone, all in priestly blood-ritual at the altar (Lev 1:5, 11; 3:2, 8, 13; and following). Exodus 24 deploys standard priestly vocabulary — the kind Leviticus will codify. But zaraq (H2236) co-occurs with berit (H1285) in exactly one verse in the entire canon: Exo 24:8. The blood-dashing verb in explicit covenant-ratification language is unique to this verse. The throw at v. 6 covers the altar, YHWH's side of the covenant; the throw at v. 8 covers the people, Israel's side. The same blood, the same gesture, binds both parties in a death-bond: if either breaks the covenant, they have broken their own life.
The formula Moses then pronounces is: הִנֵּ֤ה דַֽם הַבְּרִ֔ית אֲשֶׁ֨ר כָּרַ֤ת יְהוָה֙ עִמָּכֶ֔ם עַ֥ל כָּל הַדְּבָרִ֖ים הָאֵֽלֶּה — hinneh dam ha-berit asher karat YHWH imakhem al kol ha-devarim ha-elleh, "Behold (H2009 hinneh) the blood (H1818 dam) of the covenant (H1285 ha-berit) which YHWH has cut (H3772 karat, the standard treaty idiom) with you concerning all these words" (Exo 24:8, MT; confirmed in substance by 4Q22 26.30, the consolidated Dead Sea Hebrew, and Samaritan Exo 24:8 — three independent witnesses in substance). The construct dam ha-berit is not drawn from a previous formula; Moses creates it by proclamation here.
The OT canon. The construct dam + berit (H1818 + H1285) in the sense of "blood as the medium of the covenant" appears in exactly two OT locations. The source is Exo 24:8. The echo is Zec 9:11 — גַּם אַתְּ בְּדַם בְּרִיתֵךְ שִׁלַּחְתִּי אֲסִירַיִךְ מִבּוֹר אֵין מַיִם בּוֹ — "As for you also, by the blood of your covenant (be-dam beritekh) I have released your prisoners from the waterless pit" (MT). The pronoun "your covenant" looks backward to Sinai: the blood already thrown at Exo 24:8 is the standing legal basis for YHWH's redemptive action. This verse stands immediately after the triumphal king riding on a donkey (Zec 9:9), placing the blood-of-covenant release in an explicitly messianic frame. Ezk 44:7, sometimes cited here, places H1818 and H1285 in the same verse but as separate concepts — illicit blood offered and a broken covenant — not as the dam ha-berit construct.
The Septuagint renders the Exo 24:8 formula idou to haima tes diathekes — a verbatim Greek equivalent of dam ha-berit.
The NT trajectories. The Greek construct G129 αἷμα (haima) + G1242 διαθήκη (diatheke) co-occurs in eight New Testament verses, and the Last Supper traditions divide along a clear line. Matthew and Mark keep the Exo 24:8 construct and add kainos (new): τοῦτο γάρ ἐστιν τὸ αἷμά μου τὸ τῆς καινῆς διαθήκης — "for this is my blood of the new covenant" (Mat 26:28, NT) — the LXX Exo 24:8 formula with "new" added, pointing to Jer 31:31. Luke and Paul invert to the Jeremiah framing: "this cup is the new covenant in my blood" (Luk 22:20; 1Co 11:25, NT). Hebrews 9:20 alone takes up the raw LXX Exo 24:8 phrase to haima tes diathekes without adding kainos — adapting only the frame ("this" for "behold," "which God commanded" for "which the Lord made") — and applies Moses' declaration to Christ's blood, the most explicit typological identification in the NT. From that the writer draws the axiom: choris haimatekchysias ou ginetai aphesis, "without shedding of blood there is no forgiveness" (Heb 9:22, NT). And Heb 13:20 closes the arc: en haimati diathekes aioniou, "in the blood of the eternal covenant" — what Exo 24:8 ratified in time, the blood of Christ ratifies forever.
The gesture itself is preserved where the medium changes. YHWH uses the same verb zaraq in Ezekiel's new-covenant oracle: וְזָרַקְתִּ֧י עֲלֵיכֶ֛ם מַ֥יִם טְהוֹרִ֖ים וּטְהַרְתֶּ֑ם, "I will throw (zaraq, H2236) clean waters upon you and you will be clean" (Ezk 36:25, confirmed by the consolidated Dead Sea Hebrew and the Masada Ezekiel fragment). The Sinai blood-dashing becomes new-covenant water — same covenantal gesture, new substance — and the canon's own signal that Exo 24 is paradigmatic.
The full study on Exodus 24:1-18 traces the complete zaraq inventory across all thirty-five occurrences, the two-verse dam ha-berit spine, the eight-verse NT haima + diatheke distribution, and the Exo 24:5 → Exo 32:6 offering-vocabulary parallel that makes the golden calf a covenant-breach performed in the rites of covenant-keeping.
How did seventy elders behold God and live at Exodus 24?
Exodus 24:10-11 uses two distinct Hebrew verbs: the ordinary sight-verb ra'ah (H7200) in v. 10 ('they saw the God of Israel') and the prophetic-vision verb chazah (H2372) in v. 11 ('they beheld God and ate and drank'). The prohibition of Exo 33:20 uses ra'ah; the covenant exception of Exo 24:11 uses chazah — two verbs marking two different modes of encounter. Access was granted by the blood thrown at 24:8: the elders behold God as covenant-members standing inside the ratified bond. The sapphire pavement under God's feet at Exo 24:10 is the same throne-stone Ezekiel sees from the side (Ezk 1:26). John resolves the tension: 'No one has ever seen God; the only-begotten God... that one has declared him' (Jhn 1:18).
How does the dwelling glory of Sinai move to the tabernacle and to Christ, and what does 'devouring fire' say about God?
The verb shakan (H7931, 'to dwell/settle') at Exo 24:16 — 'the glory of YHWH dwelt on Mount Sinai' — reappears at Exo 40:35, where the same glory fills the tabernacle; same verb, same cloud, same kavod, forming a tight Sinai-to-tabernacle arc within Exodus. John's eskenosen en hemin ('tabernacled among us,' Jhn 1:14) draws on this shakan-mishkan-skene root: the Incarnation is the glory dwelling in a body. The devouring fire (ke-esh okheleth, Exo 24:17) is not merely how YHWH looked; Deu 4:24 — confirmed by the consolidated Dead Sea Hebrew and 4Q33 — declares 'YHWH your God is a devouring fire,' an identity statement; and Heb 12:29 quotes that declaration to show the fire is the permanent nature of God under both covenants.
What does na'aseh ve-nishma mean, and why does the word order matter?
Israel's oath na'aseh ve-nishma — 'we will do and we will hear' (Exo 24:7, MT) — pledges obedience before full comprehension, the harder and more distinctive reading. The consolidated Dead Sea Hebrew and the fragmentary 4Q22 reverse the order to 'hear then do'; the LXX agrees with the MT's do-then-hear against the Dead Sea witnesses, so the harder MT order is pre-Christ confirmed. The oath breaks at the golden calf within forty days (Exo 32:6, the same olah + shelamim pair); Jer 31:31-33 names that breach as the ground for the new covenant, with Torah written on the heart by the same verb (katav, H3789) Moses used to write the sefer ha-berit in Exo 24:4.
What is the forty-day mountain pattern, and why does the Transfiguration begin 'after six days'?
Every canonical instance of the exact arba'im yom ve-arba'im laylah formula in the mountain/wilderness-encounter sense involves a prophet before YHWH, sustained without ordinary food, at or toward the covenant mountain: Moses (Exo 24:18; Exo 34:28, confirmed by 4Q22 and the consolidated Dead Sea Hebrew; Deu 9:9, 18), Elijah (1Ki 19:8, to Horeb = Sinai), and Jesus (Mat 4:2). The Transfiguration's 'after six days' (Mat 17:1; Mrk 9:2) is the exact Greek of LXX Exo 24:16 (hex hemeras) — the specific count from the cloud-covering of Sinai — and five Sinai elements converge on the mount: the six days, select witnesses on a high mountain, a theophanic cloud, a voice from within the cloud, and Moses and Elijah present together.