There was an idea that God created man different from other animals, because man was rational and animals had drives and instincts. That idea of a rational man that was specially created went out the window when Darwin showed that we evolved from animal ancestors, that we have instincts, much as do animals, and that our instincts are very important. It was a much more sophisticated, nuanced, and rich view of the human mind.

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

I don't think biology is replacing the feeling experienced through art. Biology is capable of giving additional insights. It's a parallel, not a substitutive process.

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

After the war, the Austrians just denied their role in it all. They didn't teach it in school. But since 1990 they have openly acknowledged their role in the Holocaust and I feel more comfortable in Austria. I feel a sort of reconciliation.

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.

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