He is not a bad fellow, though an absolute imbecile in his profession. He has one positive virtue. He is as brave as a bulldog and as tenacious as a lobster if he gets his claws upon anyone.

I am afraid that I rather give myself away when I explain," said he. "Results without causes are much more impressive.

You have a grand gift for silence, Watson. It makes you quite invaluable as a companion.

There are heroisms all round us waiting to be done.

For the one and only time I caught a glimpse of a great heart as well as of a great brain.

Dogs don't make mistakes.

I cannot live without brainwork. What else is there to live for? Stand at the window here. Was ever such a dreary, dismal, unprofitable world? See how the yellow fog swirls down the street and drifts across the duncoloured houses. What could be more hopelessly prosaic and material?