Start with the Nicomachean Ethics
It asks what a good life is and answers it in a way nobody had before: not by naming rules, but by describing character. Virtue is a disposition you build by practice, sitting between two vices, and you learn it the way you learn a craft, by doing it repeatedly and badly until you do it well.
Books 1, 2 and 10 carry the core. Book 8 and 9, on friendship, are the parts readers remember, and they're the best thing written on the subject in the ancient world.
| Work | What it covers | Start? |
|---|---|---|
| Nicomachean Ethics | Virtue, character, happiness, friendship | Yes. Books 1, 2, 8-9, 10. |
| Politics | The state, constitutions, citizenship | Second. It follows directly from the Ethics. |
| Poetics | Tragedy, plot, catharsis | Short, and it shaped 2,000 years of storytelling. |
| Rhetoric | Persuasion: ethos, pathos, logos | Useful, and still taught in communications courses. |
| Metaphysics | Being, substance, the unmoved mover | Hard. Later. |
| Physics / De Anima | Nature, causation, the soul | For specialists, and largely superseded as science. |
Why the prose is like that
He founded the Lyceum and lectured there for years. What we have are the notes underlying those lectures, either his own or a student's, edited into shape long after his death, probably by Andronicus of Rhodes in the first century BCE.
That explains a great deal: the compression, the abrupt transitions, the repetition, the sentences that assume something explained aloud. Cicero, who could still read the published dialogues, described Aristotle's style as a flowing river of gold. Not one word of that survives.
So if he reads like hard going, that isn't you. You're reading someone's teaching notes.
Eudaimonia is not happiness
The word is usually translated as happiness, which misleads badly. Eudaimonia is closer to flourishing, or living well, and it's an assessment of a whole life rather than a feeling you have on a Tuesday.
Which is why he can say a person's life might be judged only once it's over, and why he thinks external goods (health, friends, some money, decent luck) genuinely matter. Nothing here is about positive thinking. He's describing a life that goes well, in full, including the parts you don't control.
Translations and neighbours
Terence Irwin's Ethics for Hackett is the standard for study. Roger Crisp's Cambridge version reads more smoothly. Oxford World's Classics are reliable and cheap.
See Plato, his teacher for twenty years and the target of much of his criticism, and the branches of philosophy, most of which he invented. 365 Days of Philosophy runs the sequence a page a morning.
Common questions
Which Aristotle book should I read first?
The Nicomachean Ethics, specifically books 1, 2, 8, 9 and 10. It's the most approachable and the most useful, and books 8 and 9 on friendship are the parts people remember.
Why is Aristotle so hard to read?
Because the surviving works are lecture notes rather than finished books, edited into shape centuries after his death. His polished published works were praised for their prose and are all lost.
What does eudaimonia mean?
Flourishing, or living well, assessed across a whole life. 'Happiness' is the usual translation and it misleads, since eudaimonia isn't a feeling and includes external goods like health and decent luck.
What is the golden mean?
Aristotle's idea that a virtue sits between two vices, one of excess and one of deficiency. Courage sits between recklessness and cowardice. It's a description of character, not a formula.
Which Aristotle translation is best?
Terence Irwin's Hackett edition for study, Roger Crisp's Cambridge edition for readability, and Oxford World's Classics as a cheap reliable option.