His incredible untidiness, his addiction to music at strange hours, his occasional revolver practice within doors, his weird and often malodorous scientific experiments, and the atmosphere of violence and danger which hung around him made him the very worst tenant in London.

It was an ideal spring day, a light blue sky, flecked with little fleecy white clouds drifting across from west to east. The sun was shining very brightly, and yet there was an exhilarating nip in the air, which set an edge to a man's energy.

Steel True, Blade Straight *In 1955, Doyle's family sold Windlesham, which was turned into a hotel. The bodies of Conan Doyle and his wife, Jean, were moved to a grave at Minstead Churchyard, Hampshire.

Well, I'm a bacteriologist, you know. I live in a nine-hundred-diameter microscope. I can hardly claim to take serious notice of anything that I can see with my naked eye.

You have a grand gift for silence, Watson. It makes you quite invaluable as a companion.

I think there are certain crimes which the law cannot touch, and which therefore, to some extent, justify private revenge.

There are no fools so troublesome as those who have some wit.