To the man who loves art for its own sake, it is frequently in its least important and lowliest manifestations that the keenest pleasure is to be derived.

We can't command our love, but we can our actions.

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.

Depend upon it there comes a time when for every addition of knowledge you forget something that you knew before. It is of the highest importance, therefore, not to have useless facts elbowing out the useful ones.

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

Women are naturally secretive, and they like to do their own secreting.

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

There is nothing more deceptive than an obvious fact.

Any truth is better than indefinite doubt.

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.

Where there is no imagination there is no horror.

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