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My work ethic is, I think, from my farm life.
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I learned to not be afraid to fix things that break.
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I think the International Space Station is providing a key bridge from us living on Earth to going somewhere into deep space.
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It's like being a bird, maybe, the perspective of flying over the Earth.
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To be able to float and move around and, pretty much effortlessly, do whatever you want with your body in space is pretty amazing.
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I do think space hotels are probably in our future.
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It's been fun doing interviews with the other astronauts, getting to hear: 'Oh, that's how he explains it' or 'That's how she thinks about it.' We work together, but we don't necessarily share all those thoughts or ideas.
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Everything every day here on Earth is based on gravity, and you don't realize it until you don't have it anymore.
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Viewing the earth from above gives you this sense of how special the planet is that we live on.
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Work ethic is probably my No. 1 value and No. 1 attribute.
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My undergraduate, I double-majored in biology and chemistry. Biology was kind of my love.
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In terms of goals for NASA before I die, we need to be living on Mars. And I might not live that long, so they better get on with it!
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Breaking records has never been my goal. I think it's important that we're continually pushing our limits and showing that we can extend beyond what we have done before.
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I love working at NASA, but the part that has been the most satisfying on a day-to-day basis, hour-to-hour, minute-to-minute, has been working on board the space station. Even if I'm just cleaning the vents in the fans, it all is important.
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Drive and desire was something I was raised with. It became a very important part of how I've become.
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One of the things I think is really cool that we're testing on board the International Space Station is the water reclamation system.
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In space for a short time, I think most people could survive that. If you're sending an average person who's healthy for a short period of time, I think that's quite doable.
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You see billions and billions of stars and recognize that you know some of those have planets, too, and maybe there's life out there, and this is just one of billions of galaxies... and so it gives you this huge perspective of how far we potentially have to go for real exploration.
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I was inspired by the men who walked on the moon. It really was my inspiration, I think, you know, as a kid of 9 years old - I know I'm dating myself, but - I thought, 'What a cool job!'
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One of the most beautiful sights is when the rim of the Earth is bright on one side, and you see this defined line of the atmosphere. You see how close and thin it is. We've got to be careful. We've got to take care of this planet.
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I think probably the discoveries made by Hubble Space Telescope have been very dramatic, very amazing.
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The Earth is incredibly beautiful.
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Gravity always sucks. It really, really does. It's a big challenge just re-adapting to feeling heavy again, you know? Even my arm feels heavy. My legs feel heavy.
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Walking in space is absolutely the most exhilarating part of a mission. The view is just incredible.