A really great actor, in a lucky performance, can transform himself or herself. I've seen actors do that. But often it's a mechanical transformation, which isn't as interesting, and you've got to be careful how you go about something like that, I think.

When does she do all this thinking? We're together all the time but she thinks deeply about things and with feeling and she can remember the facts. We've been married 48 years.

It's really clear to me that you can't hang onto something longer than its time. Ideas lose certain freshness, ideas have a shelf life, and sometimes they have to be replaced by other ideas.

Real listening is a willingness to let the other person change you.

I had never really wanted to be famous. Everyone is supposed to want to be rich and famous, but as a boy I never knew what rich was, and the first view I had of famous made me leery.

My relationship with science is as someone who's curious and hungry to know, hungry to understand. So all I have to offer is my ignorance and my curiosity, which is a good combination, as long as they come together.

The best things said come last. People will talk for hours saying nothing much and then linger at the door with words that come with a rush from the heart.