"Researchers can measure what kind of angles your legs take up during the day when they're just trailing around behind you in weightless conditions, and what kind of impacts you feel during your exercise. They're going to compare that with what we do on the ground"
"My sorrow, when she's here with me, thinks these dark days of autumn rain are beautiful as days can be; she loves the bare, the withered tree; she walks the sodden pasture lane"
"Rest is not idleness, and to lie sometimes on the grass under trees on a summer's day, listening to the murmur of the water, or watching the clouds float across the sky, is by no means a waste of time"
"I have a dream that my four little children will one day live in a nation where they will not be judged by the color of their skin, but by the content of their character"