My favourite city is Moscow, because of its history, which I find fascinating. As I learned to speak Russian, it made it even more interesting.

Most budget airlines anywhere in the world are going to leave you dissatisfied after using them.

The danger is different from the fear. ... [practice] what to do if things go wrong, as well as right.

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.

I've been lucky enough to fly to space twice.

The emotional build-up and anticipation if you travel at Christmas can make it harder to enjoy a trip. I think sometimes it is better to travel outside of conventional holiday times for that reason.

From space, the Bahamas is the most beautiful place on Earth.