The most dangerous condition for a man or a nation is when his intellectual side is more developed than his spiritual. Is that not exactly the condition of the world today?

What one man can invent, another can discover.

The great bell of Beaulieu was ringing. Far away through the forest might be heard its musical clangor and swell.

There are no crimes and no criminals in these days. What is the use of having brains in our profession? I know well that I have it in me to make my name famous. No man lives or has ever lived who has brought the same amount of study and of natural talent to the detection of crime which I have done. And what is the result? There is no crime to detect, or, at most, some bungling villainy with a motive so transparent that even a Scotland Yard official can see through it.

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.

A sandwich and a cup of coffee, and then off to violin-land, where all is sweetness and delicacy and harmony.

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