I applied to be an astronaut four times. I was rejected three times before I was accepted. So, it's about that, not - following your dream and not giving up.

I think most astronauts are not risk takers. We take calculated risks for something that we think is worthwhile.

My odyssey to become an astronaut kind of started in grad school, and I was working, up at MIT, in space robotics-related work; human and robot working together.

The hardest thing for me as an astronaut was to improve my swimming skills.

I have a secret project which adds four hours every day to the 24 hours we have. There's a bit of time travel involved.

Let the wife make the husband glad to come home, and let him make her sorry to see him leave.

Sleeping together is a euphemism for people, but tantamount to marriage with cats.

Your best success comes after your greatest disapponitment

I'm not a writer, but today I think you have to be everything. As an artist you have an obligation to let people know what is on your mind and why you're doing this.

There are 101 websites out there for debate - this was a blatant last attempt to get someone to stand against Gordon Brown.

You know, people are basically shitty

It's about time trees were good for something, instead of just standing there like jerks!

But I, in the chilling twilight stand and wait At the portcullis, at thy castle gate, Longing to see the charmed door of dreams Turn on its noiseless hinges, delicate sleep!

What is actually happening is often less important than what appears to be happening.