Quote by Sherlock Holmes
"A man should keep his little brain attic stocked with all the furniture that he is likely to use."
More from Sherlock Holmes
"You see, but you do not observe. The distinction is quite clear."
"Data, data, data! I can't make bricks without clay."
"The world is full of obvious things which nobody by any chance ever observes."
"When you have eliminated the impossible, whatever remains, however improbable, must be the truth."