Nothing clears up a case so much as stating it to another person.

There is nothing more unaesthetic than a policeman.

You're not hurt, Watson? For God's sake, say that you are not hurt!"
It was worth a wound -- it was worth many wounds -- to know the depth of loyalty and love which lay behind that cold mask. The clear, hard eyes were dimmed for a moment, and the firm lips were shaking. For the one and only time I caught a glimpse of a great heart as well as of a great brain. All my years of humble but single-minded service culminated in that moment of revelation.

There is nothing more deceptive than an obvious fact.

I have seen too much not to know that the impression of a woman may be more valuable than the conclusion of an analytical reasoner.

Mediocrity knows nothing higher than itself, but talent instantly recognizes genius.