The unexamined life is not worth living.
ho de anexetastos bios ou biotos anthropo

Philosophers
Socrates
Fifth-century BC Athenian philosopher who wrote nothing yet transformed Western thought. Through questioning in the agora he shifted philosophy from cosmology to ethics, making the examined life its central pursuit.
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Socrates's Other Quotes
Related Quotes
People seek retreats in the country, by the sea, in the mountains — but you can retire into yourself whenever you choose.
-- Marcus Aurelius
He who would be tranquil should not undertake too many things, either private or public.
-- Democritus
It is not living that matters, but living rightly.
-- Socrates
Live unknown.
-- Epicurus
When the soul turns toward itself, it turns at the same time toward the divine.
-- Iamblichus
Everything that is capable of turning back upon itself is incorporeal.
-- Porphyry