It is this potential for plasticity of the relatively stereotyped units of the nervous system that endows each of us with our individuality.

Not only Freud but artists and writers were also interested in the unconscious. It was medicine that made the first steps toward modernity.

Truth has many dimensions, and the way you arrive at truth in complex situations is through many perspectives.

There are cells in the brain that respond to faces. This is one of the reasons that I deal with portraiture. We can learn a lot about our perception of facial expression from the behavior of these cells.

Vienna is relatively small. And it had wonderful salons, opportunities for people to get together. There was a lot of interaction between scientists and non-scientists, between Jews and non-Jews, between artists, writers and scientists, including medical scientists.

Memory is everything. Without it we are nothing.

Self-portraits are a way of revealing something about oneself.