| Quote #1
"It is simplicity itself," said [Holmes]; "my eyes tell me that on the inside of your left shoe, just where the firelight strikes it, the leather is scored by six almost parallel cuts. Obviously they have been caused by someone who has very carelessly scraped round the edges of the sole in order to remove crusted mud from it. Hence, you see, my double deduction that you had been out in vile weather, and that you had a particularly malignant boot-slitting specimen of the London slavey." […]
Watson's response to Holmes's reasoning is like that of a man who's just had a magician's trick explained to him: it all seems so clear after an explanation… though otherwise you'd never be able to guess how it's done. Conan Doyle repeats this formula many times to remind the reader that Holmes is always many steps ahead of everyone around him.
| Quote #2
"Well, but China?"
(Omne ignotum pro magnifico is a standard Latin phrase that means "everything unknown seems grand.") In the previous passage we quoted in this section, Watson has an appropriate response to Holmes's genius: quiet awe. Here, Holmes is poking fun at Jabez Wilson for being too dumb to even get just how smart Holmes really is. But it seems like kind of a contradiction to us that the proof of Watson's intelligence is that he's smart enough to know how much smarter Holmes still is.
| Quote #3
Indeed, I have found that it is usually in unimportant matters that there is a field for the observation, and for the quick analysis of cause and effect which gives the charm to an investigation. The larger crimes are apt to be the simpler, for the bigger the crime the more obvious, as a rule, is the motive. In these cases, save for one rather intricate matter which has been referred to me from Marseilles, there is nothing which presents any features of interest (Identity.11).
Holmes often makes this argument that simple problems offer the strangest examples of human behavior – think of the totally trivial-seeming goose and hat that start out "The Blue Carbuncle." But this idea of lowly questions being more meaningful than grand ones also has social meaning: for Holmes, social status takes a back seat to intellectual complexity.