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

“Indeed, I cannot think why the whole bed of the ocean is not one solid mass of oysters, so prolific the creatures seem. Ah, I am wandering! Strange how the brain controls the brain! What was I saying, Watson?”

“I am lost without my Boswell.[Sherlock Holmes on Dr. Watson.]”

“I could not rest, Watson, I could not sit quiet in my chair, if I thought that such a man as Professor Moriarty were walking the streets of London unchallenged.”

“You would not call me a marrying man, Watson?""No, indeed!""You'll be interested to hear that I'm engaged.""My dear fellow! I congrat-""To Milverton's housemaid.""My dear Holmes!""I wanted information, Watson.”

“I am afraid, my dear Watson, that most of your conclusions were erroneous. When I said that you stimulated me I meant, to be frank, that in noting your fallacies I was occasionally guided towards the truth. Not that you are entirely wrong in this instance”

“He is the Napoleon of crime, Watson. He is the organizer of half that is evil and nearly all that is undetected in this great city. He is a genius, a philosopher, an abstract thinker. He has a brain of the first order.”