"My name is Sherlock Holmes. It is my business to know what other people don't know."
"I am the last and highest court of appeal in detection."
"There is nothing like first-hand evidence."
"The world is full of obvious things which nobody by any chance ever observes."
"You see, but you do not observe. The distinction is clear."
"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."
"I never guess. It is a shocking habit,—destructive to the logical faculty."
"There is nothing more deceptive than an obvious fact."
"Eliminate all other factors, and the one which remains must be the truth."
"How often have I said to you that when you have eliminated the impossible, whatever remains,however improbable, must be the truth?"
"I cannot live without brain-work. What else is there to live for?"
"They say that genius is an infinite capacity for taking pains,' he remarked with a smile. 'It's a very bad definition, but it does apply to detective work."
"There is nothing new under the sun. It has all been done before."
"I never make exceptions. An exception disproves the rule."
"I listen to their story, they listen to my comments, and then I pocket my fee."
"What one man can invent another can discover."
"My mind is like a racing engine, tearing itself to pieces because it is not connected up with the work for which it was built."
"When a doctor does go wrong, he is the first of criminals. He has the nerve and he has the knowledge."
"Nothing clears up a case so much as stating it to another person."
"I think that you know me well enough, Watson, to understand that I am by no means a nervous man. At the same time, it is stupidity rather than courage to refuse to recognize danger when it is close upon you."
"I confess that I have been blind as a mole, but it is better to learn wisdom late than never to learn it at all."
"It has long been an axiom of mine that the little things are infinitely the most important."