By the way, Doctor, I shall want your cooperation.' 'I shall be delighted.' 'You don't mind breaking the law?' 'Not in the least.' 'Nor running a chance of arrest?' 'Not in a good cause.' 'Oh, the cause is excellent!' 'Then I am your man.' 'I was sure that I might rely on you.

What you do in this world is a matter of no consequence. The question is, what can you make people believe that you have done?

You will, I am sure, agree with me that... if page 534 only finds us in the second chapter, the length of the first one must have been really intolerable.

I felt Holmes's hand steal into mine and give me a reassuring shake. - Watson

horses: dangerous on both ends and crafty in the middle

"I can see nothing," said I, handing it back to my friend. "On the contrary, Watson, you can see everything. You fail, however, to reason from what you see. You are too timid in drawing your inferences."

Depend upon it, there is nothing so unnatural as the commonplace.