A letter is an unannounced visit, the postman the agent of rude surprises. One ought to reserve an hour a week for receiving letters and afterwards take a bath.

I fear animals regard man as a creature of their own kind which has in a highly dangerous fashion lost its healthy animal reason - as the mad animal, as the laughing animal, as the weeping animal, as the unhappy animal.

A martyr's disciples suffer more than the martyr.

What, if some day or night a demon were to steal after you into your loneliest loneliness and say to you: 'This life as you now live it and have lived it, you will have to live once more and innumerable times more' ... Would you not throw yourself down and gnash your teeth and curse the demon who spoke thus? Or have you once experienced a tremendous moment when you would have answered him: 'You are a god and never have I heard anything more divine.

The quality of a marriage is proven by its ability to tolerate an occasional "exception.

Willing sets you free: that is the true doctrine of will and freedom--thus Zarathustra instructs you.

We forget our guilt when we have confessed it to another, but the other does not usually forget it.