THE SLOW ARROW OF BEAUTY. The noblest kind of beauty is that which does not transport us suddenly, which does not make stormy and intoxicating impressions such a kind easily arouses disgust but that which slowly filters into our minds.

All I need is a sheet of paper and something to write with, and then I can turn the world upside down.

The courage of all one really knows comes but late in life.

It has therewith come to be recognized that the history of moral valuations is at the same time the history of an error, the error of responsibility, which is based upon the error of the freedom of will.

One day soon you will meet a man, and he will rise like a phoenix from the ashes, and it is my greatest hope that he will not give you syphilis.

The moral earth, too, is round! The moral earth, too, has its antipodes! The antipodes, too, have their right to exist! There is still another world to be discovered--and more than one! Set sail, you philosophers!

Be careful who you choose as your enemy because that's who you become most like.