Hence it happens that one takes words for concepts, and concepts for the things themselves

Not only the entire ability to think rests on language... but language is also the crux of the misunderstanding of reason with itself.

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

Our reason arises, at the very least, from this twofold lesson of sensuous revelations and human testimonies.

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

Self knowledge begins with the neighbor, the mirror, and just the same with true self-love; that goes from the mirror to the matter.

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