Just see how it glints and sparkles. Of course it is a nucleus and focus of crime. Every good stone is. They are the devil

Three quiet days. This hell fiend is like a cat with a mouse. She lets me loose only to pounce upon me again. I am never so frightened as when every thing is still.

Well, well, my dear fellow, be it so. We have shared this same room for some years, and it would be amusing if we ended by sharing the same cell. (...)

His ignorance was as remarkable as his knowledge.

My business is that of every other good citizen - to uphold the law.

The fair sex is your department.

We all learn by experience, and your lesson this time is that you should never lose sight of the alternative. Sherlock Holmes speaking with Dr. Watson.