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.

There is a soul-jealousy that can be as frantic as any body-jealousy.

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

It seems very strange ... that in the course of the world's history so obvious an improvement should never have been adopted. ... The next generation of Britishers would be the better for having had this extra hour of daylight in their childhood.

Once or twice in my career I feel that I have done more real harm by my discovery of the criminal than ever he had done by his crime. I have learned caution now, and I had rather play tricks with the law of England than with my own conscience.

I wanted to end the world but,I'll settle for ending yours.

And once again Mr. Sherlock Holmes is free to devote his life to examining those interesting little problems which the complexity of human life so pletifuly presents.