Critics kind never mind! Critics flatter no matter! Critics blame all the same! Do your best damn the rest!

The good Watson had at that time deserted me for a wife, the only selfish action I can recall in our association. I was alone.

…but it is better to learn wisdom late than never to learn it at all.

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

From a drop of water a logician could infer the possibility of an Atlantic or a Niagara without having seen or heard of one or the other.

I think you want a little unofficial help. Three undetected murders in one year won't do, Lestrade. But you handled the Molesey Mystery with less than your usual - that's to say, you handled it fairly well.

I consider that a man's brain originally is like a little empty attic, and you have to stock it with such furniture as you choose.