There are no fools so troublesome as those who have some wit.
If you had killed Watson, you would not have got out of this room alive.
If you want to write good copy, you must be where the things are.
Might I trouble you to open the window, for chloroform vapour does not help the palate.
Your life is not your own. Keep your hands off it.
There is a mystery about this which stimulates the imagination; where there is no imagination there is no horror.