Nothing exists except atoms and empty space; everything else is opinion.

Democritus
Also known as: the laughing philosopher
English
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About Democritus

Democritus (c. 460 BC – c. 370 BC) was a pre-Socratic Greek philosopher. He is popularly known as "the laughing philosopher" for advocating a cheerful outlook, and for his rhetorical use of irony and ridicule. A pupil of Leucippus, he was an influential pre-Socratic philosopher who formulated an atomic theory of the universe. Of his voluminous writings, only a few fragments of his ethical theory remain, with descriptions by other writers of his atomic theory.

Biography information from Wikiquote

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Additional quotes by Democritus

Education is an ornament for the prosperous, a refuge for the unfortunate.