"The best way is always the simplest. The attics of the world are cluttered up with complicated failures."

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I consider that a man's brain originally is like a little empty attic, and you have to stock it with such furniture as you choose. [...] It is a mistake to think that that little room has elastic walls and can distend to any extent. [...] It is of the highest importance, therefore, not to have useless facts elbowing out the useful ones.

— Arthur Conan Doyle