I'm not a wealthy person and I don't think that I would be able to prioritize that much money to go for a ride to a place that I have already lived. But if the price comes down or I win a lottery or something, why not?

So without that Canadian invention we were grounded. And so that was a really important and key part of the mission and Canadians should take real pride in it.

There's really just one thing I can control: my attitude during the journey, which is what keeps me feeling steady and stable, and what keeps me headed in the right direction. So I consciously monitor and correct, if necessary, because losing attitude would be far worse than not achieving my goal.

Spaceflight isn't just about doing experiments, it's about an extension of human culture.

Anticipating problems and figuring out how to solve them is actually the opposite of worrying: it's productive.

If you haven't learned to ride a bike by the time your peer group has, then suddenly it's an embarrassment and you'll avoid opportunities where you're expected to ride a bike. And then it starts shaping your behaviour. Reading is much subtler, but much more destructive if you have not - for whatever reason - learned to read by the time you should.

If you start thinking that only your biggest and shiniest moments count, you're setting yourself up to feel like a failure most of the time.