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Heraclitus

American  
[her-uh-klahy-tuhs] / ˌhɛr əˈklaɪ təs /

noun

  1. the Obscure, c540–c470 b.c., Greek philosopher.


Heraclitus British  
/ ˌhɛrəˈklaɪtəs /

noun

  1. ?535–?475 bc , Greek philosopher, who held that fire is the primordial substance of the universe and that all things are in perpetual flux

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Sometimes the clues are more cute than scary, such as the references to Heraclitus, the ancient Greek philosopher who asserted the illusory nature of reality.

From The Wall Street Journal

That Oscar-nominated film is far more gentle and sincere than “Challengers,” a trim, naughty, ferociously well-acted trifle about characters more likely to scrawl something foul on a bathroom stall than quote Heraclitus.

From Los Angeles Times

You cannot step in the same river twice, the Greek philosopher Heraclitus said.

From Seattle Times

“Swift Arrow,” deftly interpreted by Peck and Mejia, comes with an epigraph from the Greek philosopher Heraclitus: “The harmony of the ordered-world is one of contrary tensions, like that of the harp or bow.”

From Washington Post

Character, the ancient Greek philosopher Heraclitus contended, is fate.

From Los Angeles Times