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

Excellent!" I cried. "Elementary," said he.

I followed you.' I saw no one.' That is what you may expect to see when I follow you.

London, that great cesspool into which all the loungers and idlers of the Empire are irresistibly drained.

It is a pity he did not write in pencil. As you have no doubt frequently observed, the impression usually goes through -- a fact which has dissolved many a happy marriage.

I say, Watson,’ he whispered, ‘would you be afraid to sleep in the same room as a lunatic, a man with softening of the brain, an idiot whose mind has lost its grip?’ ‘Not in the least,’ I answered in astonishment. ‘Ah, that’s lucky,’ he said, and not another word would he utter that night.

It is of the highest importance in the art of detection to be able to recognise out of a number of facts which are incidental and which are vital.