Any truth is better than indefinite doubt.

There is a mystery about this which stimulates the imagination; where there is no imagination there is no horror.

The world is big enough for us. No ghosts need apply.

Like all Holmes' reasoning, the thing seemed simplicity itself when it was once explained. Dr. Watson, speaking of Sherlock Holmes.

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.

It has always seemed to me that so long as you produce your dramatic effect, accuracy of detail matters little. I have never striven for it and I have made some bad mistakes in consequence. What matter if I hold my readers?

Eliminate all other factors, and the one which remains must be the truth.