There isn't any great mystery about me. What I do is glamorous and has an awful lot of white-hot attention placed on it. But the actual work requires the same discipline and passion as any job you love doing, be it as a very good pipe fitter or a highly creative artist.

I hope my kids understand that they're not operating in a normal world. And yet there are principles they have to adhere to that are normal - like decency, choosing between right and wrong, and honesty. That's important stuff, whether you're flying first-class or not.

My wife keeps on telling me my worst fault is that I keep things to myself and appear relaxed. But I am really in a room in my own head and not hearing a thing anyone is saying.

If they could offer up a way to go to the moon that wouldn't kill you, I'd sign up.

I think 80 percent of the population are really great, caring people who will help you and tell you the truth. That's just the way it is. And I think 20 percent of the population are crooks and liars. It's just a fact.

People ask me all the time, "What kind of father are you?" I won't know until my kids are grown.

I am a lay historian by nature. I seek out an empirical reflection of what truth is. I sort of want dates and motivations and I want the whole story. But I've always felt, unconsciously, that all human history is that connection from person to person to person, event to event to event, and from idea to idea.