Scott Kelly said this quote

I heard sad choirs in my mind. There was nothing left of Rachel in the world. He cherished what he'd shown me, and now it was gone. Eureka.

~ Scott Kelly

It seems like in the beginning of my flight, the space dreams were rare. And now, almost 150 days into it, the Earth dreams are more of the rare ones.

~ Scott Kelly

This is a really big space station. We do a lot of various kinds of work here, different kinds of science experiments; we have over 400 different experiments going on at any one time in different areas, from basic science research to medical technology, that hopefully will benefit more people on Earth.

~ Scott Kelly

If you go on a journey to Mars and get into deep space, there is several hundred times, maybe 300 times the radiation.

~ Scott Kelly