I didn't go into the NASA program to pick up rocks or to go the moon or anything else. I went in there because I was a military officer, and that was the next notch in my profession.

Be thankful for problems. If they were less difficult, someone with less ability might have your job.

I could put my thumb up to a window and completely hide the Earth. I thought, 'Everything I've ever known is behind my thumb.'

The fascination to go into space has existed for hundreds of years. But as we do things and they're successful, people get bored.

I am still fairly new to the whole social media thing - I am definitely tweeting and Facebooking. It's a nice way to connect with fans.

The Internet never ceases to impress me.

In general, obsolete technology is obsolete for a reason. Monocles are no exception.

Piecemeal social engineering resembles physical engineering in regarding the ends as beyond the province of technology.