The Memoirs of Sherlock Holmes

Save for the occasional use of cocaine, he had no vices, and he only turned to the drug as a protest against the monotony of existence when cases were scanty and the papers uninteresting.

He is a genius, a philosopher, an abstract thinker.

"Misfortunes never come single,"

To any one who wishes to study mankind this is the spot,

Art in the blood is liable to take the strangest forms

It is of the highest importance in the art of detection to be able to recognize, out of a number of facts, which are incidental and which vital

"Because I made a blunder, my dear Watson—which is, I am afraid, a more common occurrence than any one would think who only knew me through your memoirs.

I was never a very sociable fellow, Watson, always rather fond of moping in my rooms and working out my own little methods of thought

A man can tell easily enough when a woman loves him

"You wish to employ me as a consulting detective?"