Do you remember what Darwin says about music? He claims that the power of producing and appreciating it existed among the human race long before the power of speech was arrived at. Perhaps that is why we are so subtly influenced by it. There are vague memories in our souls of those misty centuries when the world was in its childhood.' That's a rather broad idea,' I remarked. One's ideas must be as broad as Nature if they are to interpret Nature,' he answered.

Women are naturally secretive, and they like to do their own secreting.

Nature is the true revelation of the Deity to man. The nearest green field is the inspired page from which you may read all that it is needful for you to know.

There seems to me to be absolutely no limit to the inanity and credulity of the human race. Homo Sapiens! Homo idioticus!

The more featureless and commonplace a crime is, the more difficult it is to bring it home.

The most difficult crime to track is the one which is purposeless.

[Sherlock Holmes:] The temptation to form premature theories upon insufficient data is the bane of our profession.