Edison: Genius is one percent inspiration, ninety-nine percent perspiration. Telsa: If Mr. Edison had thought a bit more he wouldn't have to sweat so much (fu

Edison: Genius is one percent inspiration, ninety-nine percent perspiration. Telsa: If Mr. Edison had thought a bit more he wouldn't have to sweat so much (full disclosure: I've never found an original source on the Tesla quote, so it's probably apocryphal).