"Inaction breeds doubt and fear. Action breeds confidence and courage. If you want to conquer fear, do not sit home and think about it. Go out and get busy."

"I think I've become more comfortable about being a human being."

"I've pretty much behaved like a knucklehead my entire life."

"I think people get freaked out about getting married and spending 20 or 30 years sleeping with the same person, but if that's the case, don't do it. Have someone for 5 years and another person for another 5 years."

"I'm not looking for a husband or marriage or not not looking for that stuff. I'm living, not thinking what I should or shouldn't be doing with my life."

"I think we have to make our own rules. I don't think we should live our lives in relationships based off of old traditions that don't suit our world any longer."

"I think humor is the best gift, and if you can't laugh at yourself, who can you laugh at?"

"Don't you know that when you sleep with someone, your body makes a promise whether you do or not."

"I've banged my head quite a bit. I liked Iron Maiden, Ozzy, AC/DC. And of course, Ratt and Poison."

"I don't even own a TV because I think it's the devil."

"I think that women are afraid to say they don't want children because they're going to get shunned."

"Friendships I think can also be soul mates."

"I think story-telling is innate in human beings, it's something that we've done since we scrawled across cave walls."

"I think the people who experienced the Apollo missions came away from that experience wondering to themselves, 'When can we get a chance to experience spaceflight?' I've heard that many, many times: that people got into a new career field hoping that they would be able to experience spaceflight."

"We need to begin thinking about building permanence on the Red Planet, not just have voyagers do some experiments, plant a flag and claim success. Having them go there, repeat this, in my view, is dim-witted. Why not stay there?"

"I think the American Dream used to be achieving one's goals in your field of choice - and from that, all other things would follow. Now, I think the dream has morphed into the pursuit of money: Accumulate enough of it, and the rest will follow."

"Maybe it was the challenge of flight, the opportunity to fly, the competition of summer camp and the inspiration and discipline of West Point. I think all of those things helped me to develop a dedication and inspired me to get ahead."

"I think both the space shuttle program and the International Space Station program have not really lived up to their expectations."

"I think humans will reach Mars, and I would like to see it happen in my lifetime."

"We must still think of ourselves as pioneers to understand the importance of space."

"I think there would be no shortage of applicants to the government astronaut corps to be settlers on the planet Mars. And I think this would be very inspiring."

"I think it's inevitable that there will be Earthlings establishing a presence on Mars. And I would say that it would certainly take place by 2050 or shortly thereafter."

"Who put their foot in the Missouri River first: Lewis or Clark? Who cares!"

"I am excited to think that the development of commercial capabilities to send humans into low Earth orbit will likely result in so many more Earthlings being able to experience the transformative power of space flight."