Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth.
I consider that a man's brain originally is like a little empty attic, and you have to stock it with such furniture as you choose.
Mediocrity knows nothing higher than itself, but talent instantly recognizes genius.
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.
I have frequently gained my first real insight into the character of parents by studying their children.
Some facts should be suppressed, or, at least, a just sense of proportion should be observed in treating them.
Where there is no imagination there is no horror.
You will, I am sure, agree with me that... if page 534 only finds us in the second chapter, the length of the first one must have been really intolerable.
Any truth is better than indefinite doubt.
A trusty comrade is always of use; and a chronicler still more so.
London, that great cesspool into which all the loungers and idlers of the Empire are irresistibly drained.
The lowest and vilest alleys of London do not present a more dreadful record of sin than does the smiling and beautiful countryside.
There is nothing more deceptive than an obvious fact.
Women are naturally secretive, and they like to do their own secreting.
It is a capital mistake to theorize before one has data.
It has long been an axiom of mine that the little things are infinitely the most important.
My mind rebels at stagnation. Give me problems, give me work, give me the most abstruse cryptogram, or the most intricate analysis, and I am in my own proper atmosphere. But I abhor the dull routine of existence. I crave for mental exaltation.
Of all ghosts the ghosts of our old loves are the worst.
When you have eliminated the impossible, whatever remains, however improbable, must be the truth.
I never guess. It is a shocking habit destructive to the logical faculty.