The "Art" of Rhetoric

What actually moves an audience: the speaker's character, the state the hearer is in, and the argument itself.

English, a translation held here, and your language

First published: 335 BCE(aged 49)
Original language: Ancient Greek

Overview

The handbooks in circulation when these lectures were given taught a speaker how to slander an opponent, how to work an audience into pity or anger, and how to pull attention away from the matter being decided — everything, on Aristotle's account, except how to establish anything. The first book opens by saying so, and the rest is the repair. Persuasion can be an art because it has a proof of its own: the enthymeme, an argument deduced from what the audience already grants — textbooks have long taught it as a syllogism with a step left out, though specialists now say that was never Aristotle's point — and which he calls the body of persuasion. Conviction comes from three sources — the speaker's character as the speech itself establishes it, the state the hearer has been brought into, and the reasoning. Speeches come in three kinds, sorted by what the audience is being asked to do: decide about the future in an assembly, judge a past act in a court, or simply attend and appraise at a funeral or a festival. The third book turns to style and arrangement, and takes prose seriously as something with rules. In the Gorgias Plato had called the practice unworthy of study; his pupil made it the counterpart of dialectic and gave it a syllabus. The text is lecture material from two separate stretches of teaching decades apart, and it shows. Medieval Europe met it first in Hermann the German's Latin, made at Toledo in 1256 from the Arabic, with Averroes' commentary folded into the text. Roger Bacon called it unreadable. It was at Aquinas's asking that Moerbeke translated it from the Greek instead, and every later theory of rhetoric in the West has been a response to what came through.

Key concepts

How does Aristotle divide speeches according to what audiences must do?

Aristotle divides them by the audience's task: deliberative speeches urge a future choice, judicial speeches judge a past act, and epideictic speeches ask an audience to attend and appraise a person or occasion. The classification changes what counts as relevant: advice weighs consequences, legal argument weighs responsibility, while praise and blame display the values a community claims.

Why does Aristotle treat praise and blame as serious rhetorical work?

Epideictic rhetoric makes praise and blame serious because it gives a community's values public form. A funeral or festival does not ask the audience to vote or reach a verdict, yet it still invites judgment: listeners appraise nobility, virtue, and disgrace. The speech therefore prepares standards that deliberation and courtroom judgment may later use.

Why does Aristotle call rhetoric the counterpart of dialectic?

Rhetoric becomes dialectic's counterpart because both deal in arguments rather than in a single specialized subject. Dialectic tests positions through question and answer; rhetoric adapts argumentative proof to public audiences and practical decisions. Aristotle's comparison gives rhetoric intellectual standing without turning it into a duplicate of demonstration.

What does Aristotle's account of style add to an argument?

Style matters because an argument must be grasped before it can persuade. Aristotle therefore treats prose as governed by rules, not as decoration added after the reasoning: clarity, arrangement, and devices such as metaphor affect how an audience follows what is said. The third book makes these features part of rhetoric's discipline.

Why does rhetoric rely on probability instead of certainty?

Probability supplies the kind of support public argument usually needs. Deliberation and judgment concern matters that could have gone otherwise, so a speaker cannot wait for certainty before offering reasons. Rhetoric works with what an audience can reasonably accept, while the enthymeme organizes that material into an argument rather than a mere impression.

Themes of the book

What this book returns to, gathered into themes and ordered by how much of the text each one occupies.

Persuasion as Proof

The question is how public speech can move an audience without abandoning truth: what must a speaker establish, and what happens when emotion or style replaces judgment? Aristotle's answer determines whether rhetoric serves civic decisions or merely manipulates them.

Aristotle rejects the handbooks that trained speakers to slander, inflame pity, or distract from the decision. Against that tradition—and against Plato's dismissal of rhetoric in the Gorgias—he treats persuasion as a counterpart to dialectic, with the enthymeme as its proper proof. Character, emotion, and reasoning work together, while deliberative, forensic, and ceremonial speeches match different civic tasks. His third book gives prose, metaphor, clarity, and arrangement rules, making style answerable to argument rather than a substitute for it.

rhetoric
ethics
persuasion
emotion
style
character
argumentation
justice
psychology
metaphor
virtue
deliberation
dialectic
enthymeme
refutation
methodology
probability
utility
audience
nobility
friendship
fear
shame
clarity
forensic rhetoric
moral psychology
causation
desire
pleasure

Enter a dialogue

Within this work

passages held: 239
distinct concepts: 437
by passages held, corpus-wide: #309

What this book thinks together

The wheel takes this book’s leading concepts and shows how often they come up together. The wider the band between two, the more of its passages speak of both. Among them, most often together: “enthymeme” and “rhetoric”.

Concept co-occurrence, strongest first 8 concepts, joined by 21 pairings. 92 pairings reach beyond these concepts and are not drawn.
Concept	Paired concept	Shared passages
enthymeme	rhetoric	16
persuasion	rhetoric	14
emotion	rhetoric	11
metaphor	rhetoric	8
character	rhetoric	4
forensic rhetoric	rhetoric	4
character	emotion	3
emotion	moral psychology	3
character	moral psychology	2
emotion	forensic rhetoric	2
emotion	persuasion	2
forensic rhetoric	persuasion	2
metaphor	persuasion	2
moral psychology	rhetoric	2
character	forensic rhetoric	1
character	persuasion	1
emotion	enthymeme	1
emotion	metaphor	1
enthymeme	forensic rhetoric	1
enthymeme	metaphor	1
enthymeme	persuasion	1

Works held

The author's work in order, this book marked in place. Your-language title first, the original beneath it where the two differ; side chips show which full texts are held.

-350 The Organon, or Logical Treatises, of Aristotle (Ὄργανον)
The medieval schools came at these six through Porphyry's Isagoge. The rest of the corpus simply uses them: the Physics, the Metaphysics and the biological works take the syllogism and the ten kinds as given.
EN
-345 Eudemian Ethics
One of three ethical treatises transmitted under Aristotle's name, alongside the Nicomachean Ethics and the Magna Moralia — the last of the three being the one whose authenticity is disputed.
EN
-340 Metaphysics
Form, matter and cause are argued out in the Physics, not here, and the works on animals and the soul are built on the framework it lays down; what this book asks is what it takes for anything to be at all. Alexander of Aphrodisias, Avicenna, Averroes and Aquinas each built a commentary on it.
EN
-335 The "Art" of Rhetoric you are here EN
-335 The Nicomachean Ethics (Ἠθικὰ Νικομάχεια)
The fullest of Aristotle's ethical treatises, and the one the tradition kept: it shares three books with the Eudemian Ethics, which covers the same ground. Its last page hands the subject over to the Politics.
EN
-330 Constitution of Athens (Ἀθηναίων Πολιτεία)
Historians use it as a source rather than as a text to interpret, which is true of nothing else under Aristotle's name. It belongs beside the Politics, as the surviving piece of the survey that fed it.
EN
-330 Politics: A Treatise on Government (Πολιτικά)
Not a finished book but lectures, with shorter pieces and marginal notes worked in — and the place where the Nicomachean Ethics was heading when it closed by saying that the study of character runs on into the study of constitutions.
EN
-330 The Art of Poetry (Περὶ Ποιητικῆς)
The Rhetoric is its nearest neighbour in the corpus: nowhere else does Aristotle take an art apart from the maker's side, and nowhere else does he discuss poetry at any length.
EN
-320 Economics
Aristotle treats the same ground himself in the household economics of Politics I. These three books keep their place in his corpus on the strength of the name alone; scholarship removed them without settling on anyone else.
EN

— or open another of their works