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

There was something awesome in the thought of the solitary mortal standing by the open window and summoning in from the gloom outside the spirits of the nether world.

horses: dangerous on both ends and crafty in the middle

'There's no need for fiction in medicine,' remarks Foster... 'for the facts will always beat anything you fancy.'

It is, of course, a trifle, but there is nothing so important as trifles.

If in 100 years I am only known as the man who invented Sherlock Holmes then I will have considered my life a failure.

He seems to have declared war on the King’s English as well as on the English king.