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Metaphysics & Political Philosophy
Plato
428 BC – 348 BC
“At the touch of love, everyone becomes a poet.”
Founder of the Academy and architect of the Theory of Forms. Plato held that the world we perceive is a shadow of a higher realm of perfect, eternal archetypes.
Biography
Plato (c. 428–348 BC) was an Athenian philosopher and student of Socrates. He founded the Academy in Athens — often considered the first institution of higher learning in the Western world — and taught there for nearly fifty years. Among his students was Aristotle.
His most celebrated contribution is the Theory of Forms: the idea that the physical world is not the most real level of reality. Abstract entities — the Form of Beauty, the Form of Justice, the Form of the Good — are more real than their imperfect material instantiations.
In political philosophy, Plato's Republic argues for a hierarchical city-state governed by a philosopher-king trained in mathematics and dialectic.
Important Works
The Republic
380 BCA foundational treatise on justice, the ideal state, and the philosopher-king.
The Symposium
385 BCA series of speeches on the nature of Eros and the ascent to Beauty itself.
Phaedo
360 BCSocrates' final hours, arguing for the immortality of the soul.
Key Takeaways
- The material world is a copy of eternal, perfect Forms.
- The soul pre-exists the body and is immortal.
- A just soul mirrors a just city-state: reason governs appetite.
- The Allegory of the Cave: education is a turning of the whole soul toward the light.
- Philosophy is preparation for death — the freeing of the soul from the body.