It is an old maxim of mine that when you have excluded the impossible, whatever remains, however improbable, must be the truth.

Of all ruins, that of a noble mind is the most deplorable.

I feel that there is reason lurking in you somewhere, so we will patiently grope round for it.

All other men are specialists, but his specialism is omniscience.

I am an omnivorous reader with a strangely retentive memory for trifles.

Accounts are not quite settled between us," said she, with a passion that equaled my own. "I can love, and I can hate. You had your choice. You chose to spurn the first; now you must test the other.

As a rule, said Holmes, the more bizarre a thing is the less mysterious it proves to be. It is your commonplace, featureless crimes which are really puzzling, just as a commonplace face is the most difficult to identify.