"Now his principal doctrines were these. That atoms and the vacuum were the beginning of the universe; and that everything else existed only in opinion."
— Atomic theory

January 1, 1970

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ChemistryPhysics
Original Language: English

Sources

Diogenes Laërtius (fl. c. 3rd century CE) The Lives and Opinions of Eminent Philosophers, Democritus, Vol. IX, 44 Tr. Charles Duke Yonge (1853)