Once and for all, there are many things I choose not to know.--Wisdom sets limits even to knowledge.

When a man reaches his maturity in understanding and in years, the feeling comes over him that his father was wrong to beget him.

Only the most acute and active animals are capable of boredom.

At the very moment when someone is beginning to take philosophy seriously, the whole world believes the opposite.

But anyone who has really made sacrifices knows that he wanted and got something in return perhaps something for something of himself - that he gave up in order to have more here or at least to feel that he has "more".

Christianity, alcohol the two great means of corruption.

He who fights too long against dragons becomes a dragon himself; and if you gaze too long into the abyss, the abyss will gaze into you.