"David will never go to space again. I'm glad.What did it gain the McQuarries? What has it ever gained men? Have men ever brought back more happiness from the stars? Will they ever?"

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Most astronauts are very down-to-earth people. Many of us, three-quarters, have an engineering degree, and we have a very Cartesian, rational approach to things. You don't go and get swept off your feet. That's not your job and that's not why you're hired. So if you get so mesmerized that you forget to do what you're supposed to do, whether it's to open the cargo door of the space shuttle or configure something inside, then you should not be there as a professional operator.

— Julie Payette