Aristotle

4th-century BCE Classical Greek philosopher and polymath

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Lived -384–-322, aged 62

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Wikipedia
231 languages
Cross-language footprint
Global rank
#16
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Era
-384–-322
Aged 62
Known for
M3GAN 2.0
2025

Summary

Updated 2026-08-13

He tutored Alexander the Great, founded a school that shaped two millennia of thought, and wrote the first systematic study of logic — yet only a third of his work survived, none of it meant for publication.

Biography

About

Born in Stagira in 384 BC, Aristotle lost his father as a child and was raised by a guardian. At eighteen he entered Plato's Academy in Athens, staying until thirty-seven. After Plato's death in 347 BC, he left the city and later tutored Philip II's son, Alexander, beginning in 343 BC. He returned to Athens to establish the Lyceum and its library, producing hundreds of books on papyrus scrolls across philosophy, natural sciences, politics, linguistics, psychology, and the arts. His synthesis of prior philosophies set the groundwork for modern science, and his physical theories held until the E…

Voice

In their own words

Sourced, dated quotes from Aristotle

Aristotle

saidundated

Philosophy is the science of truth.

— Quotations from Aristotle are often cited by Bekker numbers, which are keyed to the original Greek and therefore independent of the

Aristotle

saidundated

My lectures are published and not published; they will be intelligible to those who heard them, and to none beside.

— Letter to Alexander the Great as quoted by William Whewell, History of the Inductive Sciences (1837), Ch. 2, Sect. 2

Aristotle

saidundated

Nature does not do anything in vain.

— Quotations from Aristotle are often cited by Bekker numbers, which are keyed to the original Greek and therefore independent of the

Aristotle

saidundated

Knowledge of the fact differs from knowledge of the reason for the fact.

— I.13, 78a.22

Aristotle

saidundated

The premises of demonstrative knowledge must be true, primary, immediate, more knowable than and prior to the conclusion, which is further related to them as effect to cause...

— I.2, 71b.9 sqq

via Wikiquote · CC BY-SA

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