His incredible untidiness, his addiction to music at strange hours, his occasional revolver practice within doors, his weird and often malodorous sci… - Arthur Conan Doyle

"My dear Watson," said [Sherlock Holmes], "I cannot agree with those who rank modesty among the virtues. To the logician all things should be seen exactly as they are, and to underestimate one's self is as much a departure from truth as to exaggerate one's own powers."

He is the Napoleon of crime, Watson. He is the organizer of half that is evil and of 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. He sits motionless, like a spider in the center of its web, but that web has a thousand radiations, and he knows well every quiver of each of them. He does little himself. He only plans.

Y jamás se mostraba tan formidable como después de pasar días enteros en su sillón, sumido en sus improvisaciones y en sus libros antiguos.