The face is the soul of the body.

Ethics and aesthetics are one.

My day passes between logic, whistling, going for walks, and being depressed. I wish to God that I were more intelligent and everything would finally become clear to me - or else that I needn't live much longer.

Concerning that which cannot be talked about, we should not say anything.

You must always be puzzled by mental illness. The thing I would dread most, if I became mentally ill, would be your adopting a common sense attitude; that you could take it for granted that I was deluded.

The problems are solved, not by giving new information, but by arranging what we have always known.

Someone who knows too much finds it hard not to lie.