The thing is when you're... well-enough known, you get asked to speak places, and they don't really think about whether or not you're qualified. They just want somebody that will be a drawing card for the audience. So it's up to you to decide whether or not it's foolish to get up and speak to these people.

I must have interviewed 600 or 700 scientists all around the world.

I sat next to a young woman on a plane once who bombarded me for five hours with how she had decided to be born again and so should I. I told her I was glad for her, but I hadn't used up being born the first time.

Alan Alda Quotes