To call a thing good not a day longer than it appears to us good, and above all not a day earlier - that is the only way to keep joy pure.

What is the difference between someone who is convinced and one who is deceived? None, if he is well deceived.

...one can speak with the utmost clearness, and yet not be heard by anyone.

A good aphorism is too hard for the tooth of time, and is not worn away by all the centuries, although it serves as food for every epoch.

Certitude drives people mad.

I want to speak to the despisers of the body. I would not have them learn and teach differently, but merely say farewell to their own bodies-- and thus become silent.

There exists above the "productive" man a yet higher species.