Arthur Conan Doyle

There is nothing more unaesthetic than a policeman.

For strange effects and extraordinary combinations we must go to life itself, which is always far more daring than any effort of the imagination.

A man should keep his little brain attic stocked with all the furniture that he is likely to use, and the rest he can put away in the lumber-room of his library, where he can get it if he wants it.

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

Any truth is better than indefinite doubt.

It has long been an axiom of mine that the little things are infinitely the most important.

I have frequently gained my first real insight into the character of parents by studying their children.

From a drop of water a logician could infer the possibility of an Atlantic or a Niagara without having seen or heard of one or the other.

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.

Where there is no imagination there is no horror.

Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth.