Commentary on the Mishnah

Quick Facts

• Author: Moses Maimonides
• Written: c. 1160-1168, while Maimonides was a young scholar
• Original language: Judeo-Arabic, meaning Arabic written in Hebrew letters
• Hebrew title: often called Pirush ha-Mishnayot, "Commentary on the Mishnah"
• Main subject: the Mishnah, the early rabbinic collection of Jewish oral law
• Main task: explain terse legal passages and identify the practical ruling
• Famous parts: the general introduction, the Eight Chapters before Pirkei Avot, and the Thirteen Principles of Faith before Sanhedrin chapter 10

The Problem

The Mishnah is short, dense, and legal. It often gives a case, a ruling, and a disagreement without spelling out the background. A beginner can read a line about Sabbath, purity, courts, sacrifices, or damages and still not know what the accepted law is.

Maimonides thinks this is a serious teaching problem. The Mishnah belongs to Oral Law. Oral Law means the body of Jewish teaching that explains how the written Torah is practiced: details, definitions, arguments, traditions, and rulings. If the written Torah says to observe the Sabbath, the Oral Law asks what counts as work, what exceptions exist, and how judges should decide hard cases.

By Maimonides' time, the Mishnah was read through a large rabbinic world: Tosefta, halakhic midrash, the Jerusalem Talmud, and the Babylonian Talmud. That world preserves the reasoning, but it can overwhelm the student. The Commentary on the Mishnah tries to make the Mishnah usable again.

In One Minute

The Commentary on the Mishnah is Maimonides' first major rabbinic work. It is not just a line-by-line explanation. It is a guide to how rabbinic law works.

Its main claim is that the Mishnah can be taught as an ordered body of law. Maimonides explains difficult words, supplies background from the Talmudic tradition, and often states the practical halakhah. Halakhah means Jewish law in practice: what one should do, permit, forbid, judge, or teach.

The work also connects law with belief and ethics. The Eight Chapters explains virtue as health of the soul. The Thirteen Principles lists beliefs Maimonides thinks every Jew must affirm, including God's unity, God's incorporeality, prophecy, Torah from God, reward and punishment, the Messiah, and resurrection. This early work already points toward the Mishneh Torah and the Guide for the Perplexed.

The Main Argument

Maimonides' main argument is that rabbinic law is not a pile of disconnected sayings. It is an intelligible tradition. A good commentator should show the reader the structure behind the short text.

First, he treats the Mishnah as an entry point into the whole Oral Law. A single mishnah may assume rules about ownership, intention, witnesses, purity, sacrifice, or damages. Maimonides brings in other rabbinic sources and explains the hidden background so the short ruling makes sense.

Second, he often moves from discussion to decision. The Talmud records argument. Maimonides wants the student to know the result. This does not mean he hates argument. It means that for legal life, one eventually needs a ruling. If two rabbinic opinions disagree about whether an action is permitted, a community cannot practice both at once in the same case. Someone has to clarify the law.

Third, he argues that law needs right beliefs and trained character. Law is not only a courtroom system. It shapes what people worship, how they act, how they control desire, and what they think God is. A person who performs commandments while imagining God as a body has missed something central for Maimonides. A person who studies law but never trains anger, appetite, or generosity has also missed the point.

This is why the Commentary contains long introductions. They are not side essays. They show what Maimonides thinks legal study is for: disciplined practice, correct belief, moral repair, and knowledge of God as far as humans can reach it.

Key Ideas With Examples

• Mishnah: the early rabbinic collection of oral legal teaching, traditionally arranged in six orders. It is often compact. A line may assume a whole legal setting. Example: a rule about returning a lost object assumes ideas about ownership, evidence, and obligation that are discussed elsewhere in rabbinic literature.

• Oral Law: the explanatory tradition that tells Jews how the written Torah is lived. The written Torah commands Sabbath rest. Oral Law asks what kinds of labor count, what emergencies change the rule, and how the law applies to new cases.

• Halakhah: Jewish law as practiced and decided. In the Commentary, Maimonides often tells the reader which opinion becomes halakhah. That makes the work useful for students who need more than a record of debate.

• Commentary as clarification: Maimonides does not simply repeat the Mishnah in easier words. He adds missing context. If a mishnah names a plant, coin, ritual object, impurity, or court procedure that readers may not know, he explains it so the legal point can be followed.

• Legal decision: a final ruling about what the law requires. Maimonides' habit of stating decisions points forward to the Mishneh Torah, his later code of Jewish law.

• The Eight Chapters: Maimonides' introduction to Pirkei Avot, a tractate famous for ethical sayings. Here he uses a medical picture. The soul can be healthy or sick, just like the body. A virtue is a stable good habit. Courage, for example, is not recklessness and not cowardice. It is the trained middle between too much fear and too little fear. This idea comes through Aristotle, but Maimonides puts it inside a rabbinic account of character and law.

• The Thirteen Principles: Maimonides' list of basic Jewish beliefs in his introduction to Sanhedrin chapter 10, also called Perek Helek. They include God's existence, unity, and incorporeality; prophecy; the special status of Moses; the divine origin and permanence of Torah; divine knowledge; reward and punishment; the Messiah; and resurrection. "Incorporeality" means that God is not a body, has no parts, and is not located in space.

• Law and philosophy: Maimonides does not separate legal study from thinking about God, human nature, and the purpose of life. The Commentary is less difficult than the Guide for the Perplexed, but it already contains the same basic impulse: religious practice should be ordered by reason, and reason should serve a life shaped by Torah.

Why It Matters

The Commentary made the Mishnah easier to study as a full work. It was one of the first great commentaries on the entire Mishnah, and it became a major reference point for later readers.

It also shows Maimonides before his two most famous mature works. The Commentary prepares the legal clarity of the Mishneh Torah. It also prepares the philosophical religious project of the Guide for the Perplexed. The later books are larger and more systematic, but the same mind is already visible here: define the terms, organize the law, reject confused ideas about God, and show that practice should train the whole person.

The Thirteen Principles mattered far beyond the commentary itself. Later Jewish tradition debated them, reshaped them, sang versions of them, and sometimes resisted the idea that Judaism should be summarized in creed-like articles of faith. The Eight Chapters also became a classic doorway into medieval Jewish ethics because it presents moral life as training, not merely as good intention.

Proponents, Critics, and Opponents

Supporters valued the work for clarity. Students of Mishnah could use it to move from a short legal text to the broader rabbinic discussion. Later commentators, including major Mishnah interpreters, often worked in a world shaped by Maimonides' explanations and rulings.

Critics disputed parts of the project. Some later authorities disagreed with specific legal decisions. Others worried about Maimonides' philosophical style, especially his use of Aristotle and his strict rejection of any bodily picture of God. The Thirteen Principles also drew debate. Hasdai Crescas and Joseph Albo, for example, later challenged Maimonides' way of listing the foundations of Jewish belief.

The larger opponent in the background is any view that rejects rabbinic Oral Law as authoritative. The Commentary assumes that the Mishnah and the Talmudic tradition are necessary for understanding Torah in practice. It is therefore firmly inside rabbinic Judaism, not a neutral explanation of Jewish texts from outside that tradition.

Related Pages

• Moses Maimonides: the author, and the thinker whose legal and philosophical program begins to take shape here.
• Mishneh Torah: Maimonides' later legal code, which develops the Commentary's drive toward clear legal decision.
• Guide for the Perplexed: Maimonides' later philosophical work, more difficult and more esoteric than the Commentary.
• Aristotle: the Greek philosopher behind much of Maimonides' vocabulary of virtue, habit, reason, and human perfection.
• Aristotelianism: the broader philosophical tradition Maimonides adapts inside Jewish law and theology.