His ignorance was as remarkable as his knowledge.

When the impossible has been eliminated, all that remains no matter how improbable is possible.

The Times is a paper which is seldom found in any hands but those of the highly educated.

Man, or at least criminal man, has lost all enterprise and originality. As to my own little practice, it seems to be degenerating into an agency for recovering lost lead pencils and giving advice to young ladies from boarding-schools.

How wise and how merciful is that provision of nature by which his earthly anchor is usually loosened by many little imperceptible tugs, until his consciousness has drifted out of its untenable earthly harbor into the great sea beyond!

On general principles, it is best that I should not leave the country. Scotland Yard feels lonely without me, and it causes an unhealthy excitement among the criminal classes.

If you had killed Watson, you would not have got out of this room alive.