To a great mind, nothing is little,' remarked Holmes, sententiously.

You will remember that I remarked the other day, just before we went into the very simple problem presented by Miss Mary Sutherland, that for strange effects and extraordinary combinations we must go to life itself, which is always far more daring than any effort of the imagination.” “A proposition which I took the liberty of doubting.” “You did, Doctor, but none the less you must come round to my view, for otherwise I shall keep on piling fact upon fact on you until your reason breaks down under them and acknowledges me to be right.

I think that I had better go, Holmes." "Not a bit, doctor. Stay where you are. I am lost without my Boswell.

Detection is, or ought to be, an exact science, and should be treated in the same cold and unemotional manner.

Goresthorpe Grange is a feudal mansion - or so it was termed in the advertisement which originally brought it under my notice. Its right to this adjective had a most remarkable effect upon its price, and the advantages gained may possibly be more sentimental than real. Still, it is soothing to me to know that I have slits in my staircase through which I can discharge arrows; and there is a sense of power in the fact of possessing a complicated apparatus by means of which I am enabled to pour molten lead upon the head of the casual visitor.

There is a danger there - a very real danger to humanity. Consider, Watson, that the material, the sensual, the worldly would all prolong their worthless lives. The spiritual would not avoid the call to something higher. It would be the survival of the least fit. What sort of cesspool may not our poor world become?

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