Nothing should be valued higher than the value of the day.

The world is full of contradiction.

How can you come to know yourself? Never by thinking, always by doing. Try to do your duty, and you'll know right away what you amount to.

I hate all explanations; they who make them deceive either themselves or the other party,-generally both.

Paternity is based anyhow only upon conviction: I am convinced, therefore, I am the father.

If you want to get pleasure out of life, you must attach value to the world.

People who think honestly and deeply have a hostile attitude towards the public.