Arthur Conan Doyle

The world is full of obvious things which nobody by any chance ever observes.

Source: The Hound of the Baskervilles, Arthur Conan Doyle, 1902 (serialized in The Strand Magazine, 1901-1902)

Spoken by Sherlock Holmes early in The Hound of the Baskervilles (ch. 3, 'The Problem'), during the discussion of Dr. Mortimer's account. Standard caveat that the line is a character's, not the author speaking in his own voice, but Doyle is the correct author credit.

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