Oh, how much is today hidden by science! Oh, how much it is expected to hide!

To think historically is almost the same thing now as if in all ages history had been made according to theory.

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!

What is evil?-Whatever springs from weakness.

Pharisaism is not a degeneration in a good man: a large portion of it is rather the condition of all being-good.

Help thyself: then everyone will help thee too. Principle of Christian charity.

Those who cannot understand how to put their thoughts on ice should not enter into the heat of debate.