My sister and I, you will recollect, were twins, and you know how subtle are the links which bind two souls which are so closely allied.

Should I ever marry, Watson, I should hope to inspire my wife with some feeling which would prevent her from being walked off by a housekeeper when my corpse was lying within a few yards of her.

Have you tried to drive a harpoon through a body? No? Tut, tut, my dear sir, you must really pay attention to these details.

It is not that I think or believe, but that I know.

if i could be assured of your destruction, i would in the interest of the public, cheerfully accept my death.

The more featureless and commonplace a crime is, the more difficult it is to bring it home.

Life, it turns out, is infinitely more clever and adaptable than anyone had ever supposed.