You wouldn't want to be called a sell-out by selling a product. Selling out was frowned on, whereas now you can major in it at business school.

Loneliness is everything it's cracked up to be.

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.

Working on The West Wing was similar in many ways to my experience on M*A*S*H, because you had people willing to work late at night to get it just right.

Laugh at yourself, but don't ever aim your doubt at yourself. Be bold. When you embark for strange places, don't leave any of yourself safely on shore. Have the nerve to go into unexplored territory.

People who laugh together generally don't kill each other.

In 2003, I almost died of an intestinal blockage when I was on a mountain in Chile, filming a segment for 'Scientific American Frontiers.'