"A man should keep his little brain attic stocked with all the furniture that he is likely to use, and the rest he can put away in the lumber-room of his library, where he can get it if he wants it."

"The world is a stage, and we are merely players."

"I never guess. It is a shocking habit—destructive to the logical faculty."

"The press, Watson, is a most valuable institution, if you only know how to use it."

"I am a brain, Watson. The rest of me is a mere appendix."