Data!data!data!" he cried impatiently. "I can't make bricks without clay.

As a rule, the more bizarre a thing is, the less mysterious it proves to be.

I cannot live without brainwork. What else is there to live for

The good Watson had at that time deserted me for a wife, the only selfish action I can recall in our association. I was alone.

Never trust to general impressions, my boy, but concentrate yourself upon details.

The whole force of the State is at your back if you should need it. I'm afraid that all the queen's horses and all the queen's men cannot avail in this matter.

I have heard, Mr. Holmes, that you can see deeply into the manifold wickedness of the human heart.