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

Memory is everything. Without it we are nothing.

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.

I went to medical school after having decided to do so somewhere between my junior and senior year at Harvard - very late. I initially wanted to be an intellectual historian.

I see psychoanalysis, art and biology ultimately coming together, just like cognitive psychology and neuroscience have merged.

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.

One of the wonderful things about Internet is its like a salon. It brings people together from different intellectual walks of life.