Thus the public use of reason and freedom is nothing but a dessert, a sumptuous dessert.

The product of paper and printed ink, that we commonly call the book, is one of the great visible mediators between spirit and time, and, reflecting zeitgeist, lasts as long as ore and stone.

If only I was as eloquent as Demosthenes, I would have to do no more than repeat a single word three times.

I look upon logical proofs the way a well-bred girl looks upon a love letter

What for others is style, for me is soul.

When I rest my feet my mind also ceases to function.

Nature is a book, a letter, a fairy tale (in the philosophical sense) or whatever you want to call it.