They say that genius is an infinite capacity for taking pains . . . It’s a very bad definition, but it does apply to detective work.
 Arthur Conan Doyle, A Study in Scarlet (1887). copy citation

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Author Arthur Conan Doyle
Source A Study in Scarlet
Topic pain genius detective
Date 1887
Language English
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Weblink http://www.gutenberg.org/files/244/244-h/244-h.htm

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