Data!data!data!" he cried impatiently. "I can't make bricks without clay.

[Sherlock Holmes:] The temptation to form premature theories upon insufficient data is the bane of our profession.

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

I don't speak for others and they don't speak for me.

The love of books is among the choicest gifts of the gods.

Some facts should be suppressed, or, at least, a just sense of proportion should be observed in treating them.

The more featureless and commonplace a crime is, the more difficult it is to bring it home.