"I never guess. It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts."

"'How often have I said to you that when you have eliminated the impossible, whatever remains, however improbable, must be the truth?"

"Mediocrity knows nothing higher than itself, but talent instantly recognizes genius."

"It is my belief, Watson, founded upon my experience, that the lowest and vilest alleys in London do not present a more dreadful record of sin than does the smiling and beautiful countryside."

"How often have I said to you that when you have eliminated the impossible, whatever remains, however improbable, must be the truth?"

"...chief proof of man's real greatness lies in his perception of his own smallness."

"Statistics are like lampposts: they are good to lean on, but they don't shed much light."

"We are not without accomplishment. We have managed to distribute poverty equally."

"Call me a troglodyte; I'd rather peruse those photos alongside my sweetheart, catch the newspaper on the way to work, and page thorough a real book."

"Three things are necessary for the salvation of man: to know what he ought to believe; to know what he ought to desire; and to know what he ought to do."

"It's possible to disagree with someone about the ethics of non-violence without wanting to kick his face in."

"Never forget that you're a member of your own community. Don't do something that you wouldn't like to see done."