Levity is the lubricant of a crisis. We resort to jokes, pranks and good natured kidding to relieve tension, stress and boredom.

I know enough about the moon to know how unpleasant and inhospitable it is. . . . I know enough about Mars to know that you can't live there, you can't settle it. Mars and the moon are two ugly islands. So then, you say, what's the point of going to them? The point is to be able to say I've been there, I've set foot on them, and I can go further to look for beautiful islands.

We spent a lot of time in simulators. We were going to do it right.

A little levity is appropriate in a dangerous trade.

When a man looks across a street, sees a pretty girl, and waves at her, that's not a rendezvous, that's a passing acquaintance. When he walks across the street and nibbles on her ear, that's a rendezvous!

I was told having a website would help me. I have yet to figure out why my life story needs to be on the web.

As a child I went to a circus. They had a man shot out of a cannon into a net. I became intrigued with what was going on.