Frontal view of a marble portrait bust of Aristotle, with a full beard and blank carved eyes.
Aristotle, Roman marble portrait bust after a Greek original.Image: Aristotle Altemps Inv8575 · After Lysippos. Public domain. Modified: Locally auto-oriented, metadata-stripped, resized without enlargement to at most 720px wide, and encoded as WebP quality 82. Wikimedia Commons record, reviewed revision 1169250569.

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Aristotle

384–322 BCE

Aristotle was a fourth-century BCE Greek philosopher who studied in Plato's Academy before founding the Lyceum in Athens. His surviving works range across logic, biology, politics, rhetoric, and ethics. In the Nicomachean Ethics, he asks what it is for a human life to go well and argues that character is formed through repeated action, practical judgment, and relationships within a community. His account makes attention to a particular situation part of ethical competence, so it cannot function as a decision machine. That makes him a useful, and demanding, interlocutor for questions about whether AI assistance strengthens or erodes a person's capacity to judge and act well.

In PHIL 123

Why this thinker matters

Aristotle moves the chapter from isolated AI choices to habits, flourishing, and practical wisdom.