The rest is deduction." "How, then, did you deduce the telegram ?" "Why, of course I knew that you had not written a letter, since I sat opposite to you all morning.

I see also in your open desk there that you have a sheet of stamps and a thick bundle of post-cards.

What could you go into the post-office for, then, but to send a wire?
Eliminate all other factors, and the one which remains must be the truth." "In this case it certainly is so," I replied, after a little thought.
"The thing, however, is, as you say, of the simplest.

Would you think me impertinent if I were to put your theories to a more severe test ?" "On the contrary," he answered, "it would prevent me from taking a second dose of cocaine.

I should be delighted to look into any problem which you might submit to me." "I have heard you say that it is difficult for a man to have any object in daily use without leaving the impress of his individuality upon it in such a way that a trained observer might read it.