What Moses said vs what the law says

What this entry is

The Pentateuch — Genesis, Exodus, Leviticus, Numbers, Deuteronomy — has been called “the Five Books of Moses” or “the Law of Moses” in Jewish and Christian tradition since antiquity. The title is shorthand for a long set of texts in which Moses is the central human figure. But the texts themselves do not present a single, uniform “Mosaic voice.” Three distinct registers run through the Pentateuch, and the phrase “Moses said” or “the law of Moses” can refer to any of them.

This entry documents the three registers with examples. It does not address the question of historical Mosaic authorship — a long-running scholarly question on which traditions and academic positions diverge. We focus on the textual layers as they stand in the canonical Hebrew Bible.

The three registers

Register 1: Divine speech mediated through Moses

The largest register by volume. The text introduces a divine speech with formulae like “The LORD said to Moses” or “The LORD spoke to Moses, saying.” What follows is presented as direct divine speech that Moses then conveys to the people. Examples are abundant; nearly all of Leviticus is in this form.

Exodus 20:1–2 — the opening of the Decalogue (BSB):

And God spoke all these words: “I am the LORD your God, who brought you out of the land of Egypt, out of the house of slavery.”

The text presents the Ten Commandments as God’s direct speech, not as Moses’s composition. Moses is the agent through whom the speech is delivered to the people, but the speaker named in the text is God.

Leviticus 1:1–2 — opening of the sacrificial laws (BSB):

Then the LORD called to Moses and spoke to him from the Tent of Meeting, saying, “Speak to the Israelites and say to them: When any of you brings an offering to the LORD…”

Most of Leviticus is structured as instances of this formula — the LORD speaks to Moses, who is then to speak to the Israelites.

Register 2: Moses speaking in his own voice

Moses speaks in his own voice in many narrative passages and across all of Deuteronomy. Deuteronomy is largely structured as Moses’s farewell speech to Israel before they enter the land — a long sermon delivered by Moses in his own voice, repeating, summarizing, and exhorting based on the laws given earlier in the Pentateuch.

Deuteronomy 1:1–6 — the framing of the book (BSB):

These are the words that Moses spoke to all Israel in the wilderness east of the Jordan… On the first day of the eleventh month, in the fortieth year, Moses proclaimed to the Israelites all that the LORD had commanded him concerning them. […] The LORD our God said to us at Horeb, “You have stayed at this mountain long enough.”

The book opens with explicit attribution to Moses’s speech — “the words that Moses spoke” — and then runs through 32 chapters in which Moses retells the journey from Sinai (Horeb in Deuteronomy’s vocabulary) and rehearses the laws. Much of Deuteronomy is in Moses’s first-person voice (“I commanded you,” “I made a covenant with you,” “I have set before you life and death”).

Numbers 12:3 — Moses’s humility (BSB):

Now Moses was a very humble man, more so than any man on the face of the earth.

This is presented as an editorial parenthetical comment, not as Mosaic speech. It is one of the verses traditionally cited as evidence that Moses cannot be the author of the entire Pentateuch (a man who is “more humble than anyone on the face of the earth” would not write that about himself). This is one strand of the scholarly authorship discussion, separate from the question this entry addresses.

Register 3: Third-person narration about Moses

Large parts of the Pentateuch are narrated in the third person about Moses — events of his life, his actions, his death.

Deuteronomy 34:5–6 — the death of Moses (BSB):

So Moses the servant of the LORD died there in the land of Moab, as the LORD had said. And He buried him in the valley in the land of Moab opposite Beth-peor, but no one to this day knows the location of his grave.

This passage narrates Moses’s death and burial — events that Moses himself could not have written. The Talmud (b. Bava Batra 14b–15a) discusses this and proposes that Joshua wrote the final eight verses of Deuteronomy. Modern critical scholarship sees the closing chapters as part of a later editorial frame around the Mosaic material. Whichever explanation one prefers, the text itself contains material that cannot be in Moses’s own voice.

Why the distinction matters

When a popular reader cites “the Law of Moses” or “what Moses said,” they are typically conflating the three registers. The phrase can refer to:

• A divine command delivered through Moses (register 1)
• A statement by Moses in his own voice (register 2)
• A narrative report about Moses (register 3)

Different theological traditions handle the registers differently. Some treat all three as equally authoritative because all three are within the canonical text. Some emphasise register 1 as bearing the direct divine voice and treat registers 2 and 3 as supporting material. The choice has consequences for how specific passages are read and applied.

Two illustrative cases

Case 1: The dietary laws

Leviticus 11 introduces the dietary laws with the standard register-1 formula: “The LORD said to Moses and Aaron, ‘Say to the Israelites, “Of all the animals that live on land, these are the ones you may eat…”’” The actual food prohibitions are presented as direct divine speech.

Deuteronomy 14 contains a parallel listing of dietary laws — but in register 2, with Moses speaking in his own voice (“These are the animals you may eat…”). The same content appears in two registers. Modern critical scholarship reads this as evidence of separate underlying source materials brought together in the canonical Pentateuch; traditional readings see Moses repeating in Deuteronomy what God said earlier.

Case 2: The certificate of divorce

Deuteronomy 24:1–4 sets out the procedure for a certificate of divorce. The text appears in Moses’s voice in Deuteronomy.

In Mark 10:2–9 and Matthew 19:3–8, when Jesus is asked about divorce, he distinguishes between what Moses said and what was true from the beginning:

“What did Moses command you?” He replied. They answered, “Moses permitted a man to write his wife a certificate of divorce and send her away.” But Jesus told them, “Moses wrote this commandment for you because of your hardness of heart. However, from the beginning of creation, God made them male and female…” (Mark 10:3–6)

Jesus’s distinction here — between “what Moses commanded” and “from the beginning of creation, God made…” — implicitly recognises the registers. Moses is treated as the human agent of a specific accommodation; the original divine intention is grounded in the Genesis creation account. Whether this reading is correct interpretively is a separate question; the distinction itself is one Jesus makes within the Gospel text.

What this entry does not do

We do not adjudicate questions of historical Mosaic authorship of the Pentateuch. We do not endorse a specific compositional theory (single Mosaic authorship, the Documentary Hypothesis, supplementary models, the various refinements of these). We document the textual registers as they stand in the canonical Hebrew Bible and note the implications for reading “the law of Moses” in unified terms.