It is not things, but opinions about things that have absolutely no existence, which have so deranged mankind!

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

In the beautiful, man sets himself up as the standard of perfection; in select cases he worships himself in it. Man believes that the world itself is filled with beauty -he forgets that it is he who has created it. He alone has bestowed beauty upon the world -alas! only a very human, an all too human, beauty.

Christianity is a metaphysics of the hangman.

Belief in truth begins with doubting all that has hitherto been believed to be true.

Man does not strive for happiness; only the Englishman does that.

Even today a crude sort of persecution is all that is required to create an honorable name for any sect, no matter how indifferent in itself.