What is the meaning of it, Watson? said Holmes solemnly as he laid down the paper. "What object is served by this circle of misery and violence and fear? It must tend to some end, or else our universe is ruled by chance, which is unthinkable. But what end? There is the great standing perennial problem to which human reason is as far from an answer as ever.

It is an old maxim of mine that when you have excluded the impossible, whatever remains, however improbable, must be the truth.

'It is my duty to warn you that it will be used against you,' cried the Inspector, with the magnificent fair play of the British criminal law.

It is hardly fair to blame America for the state of San Francisco, for its population is cosmopolitan and its seaport attracts the floating vice of the Pacific; but be the cause what it may, there is much room for spiritual betterment.

Well, well, my dear fellow, be it so. We have shared this same room for some years, and it would be amusing if we ended by sharing the same cell. (...)

The sky was of the deepest blue, with a few white, fleecy clouds drifting lazily across it, and the air was filled with the low drone of insects or with a sudden sharper note as bee or bluefly shot past with its quivering, long-drawn hum, like an insect tuning-fork.

To his eyes all seemed beautiful, but to me a tinge of melancholy lay upon the countryside, which bore so clearly the mark of the waning year, Yellow leaves carpeted the lanes and fluttered down upon us as we passed, The rattle of our wheels died away as we drove through drifts of rotting vegetation--sad gifts, as it seemed to me, for Nature to throw before the carriage of the returning heir of the Baskervilles.