Annoyance is a physical malady that is in no way cured just because the annoying situation that causes it is eliminated.

The secret of realizing the greatest fruitfulness and the greatest enjoyment of existence is: to live dangerously! Build your cities on the slopes of Vesuvius! Send your ships out into uncharted seas! Live in conflict with your equals and with yourselves! Be robbers and ravagers as soon as you ca not be rulers and owners, you men of knowledge! The time will soon past when you could be content to live concealed int he woods like timid deer!

Every characteristic absence of spirituality, every piece of common vulgarity, is due to an inability to resist a stimulus - you have to react, you follow every impulse.

Too long, the earth has been a madhouse!

Without the errors involved in the assumptions of ethics, man would have remained an animal. Thus has he taken himself as something higher and imposed rigid laws upon himself.

The empty, the one, the unmoved, the full, satiation, wanting nothing--that would be my evil: in short, dreamless sleep.

People who, out of an inborn moderation, leave every glass standing only half-emptied refuse to admit that everything in the world has its sediments and dregs.