Never give up your dreams and stay focused on your passions.
I'm 45, and I'm still at school, essentially. Even after being assigned to the mission, I had to write a number of exams, with people commenting on my performance.
Some people will always be volunteers to explore, and it is, in my mind, a privilege.
When you're a little different than others, it takes a little more time to fit in. If you really want to be there, there are no ingredients you need other than effort, perseverance and teamwork.
If anything, when you're up in space and you're inside a space ship, which is your home, and without which you would not survive, you know that Earth is your home. This is the only place you can return. In fact we're very meticulous. Part of our job is to maintain the spaceship. If we apply the same kind of model to Earth maybe we'd have a different outlook.
You're always under the microscope, and you don't know which mission you're going to get. It's a surprise.
On the day a country decides not to invest a cent in innovation, discovery or exploration, that country decides to be a tributary to others.
I don't think anything's more rewarding than hearing that you've helped someone gain a love of reading.
This very moment is a seed from which the flowers of tomorrow's happiness grow.
Money just draws flies.
I'm a huge fan of [Elijah Wood] work and a huge fan of him, as a person. What's great about getting to know him is that he's just a really lovely, regular guy.