Another real problem was over putting our helmets on for re-entry, because we all had severe head colds. They couldn't come up there and make us. Houston, you have a problem!

Dad went to Canada to learn how to fly with the Royal Canadian Air Force. He took me on my first airplane ride, where I could have a hand on the stick.

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 left Earth three times and found no other place to go. Please take care of Spaceship Earth.

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

I don't go along with going to Moon first to build a launch pad to go to Mars. We should go to Mars from Earth orbit. We have already been to the Moon; we've already practiced.

When a test pilot comes off a flight, there is typically another pilot who is going to take it up, and he believes in the debriefing. You don't keep something to yourself