"Walking in space is absolutely the most exhilarating part of a mission. The view is just incredible." — Peggy Whitson

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.

I do think space hotels are probably in our future.

You need to live a little bit outside your comfort zone because you can be even more than you dream of.

Find your passion. Because with that passion, you can do anything.