I have on the one hand a hatred and on the other a yearning for Vienna. I left when I was nine years old because I was Jewish. And even before 1938, the anti-Semitism in Austria was probably deeper than it was in Germany or in other European countries.

Memory is everything. Without it we are nothing.

In art, as in science, reductionism does not trivialize our perception - of color, light, and perspective - but allows us to see each of these components in a new way.

As you know, in most areas of science, there are long periods of beginning before we really make progress.

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

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

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.