You know my methods. Apply them.

But love is an emotional thing, and whatever is emotional is opposed to that true cold reason which I place above all things.

Eliminate all other factors, and the one which remains must be the truth.

It's a wicked world, and when a clever man turns his brain to crime it is the worst of all.

"Dr. Munro, sir," said he, "I am a walking museum. You could fit what ISN'T the matter with me on to the back of a -- visiting card. If there's any complaint you want to make a special study of, just you come to me, sir, and see what I can do for you. It's not every one that can say that he has had cholera three times, and cured himself by living on red pepper and brandy."

He foresaw that she would be very much more useful to him in the character of a free woman.

Let me run over the principal steps. We approached the case, you remember, with an absolutely blank mind, which is always an advantage. We had formed no theories. We were simply there to observe and to draw inferences from our observations.