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.

To me, it's not about being anywhere, but being able to change my perceptions and experience something new.

There is a sunrise or a sunset from space every 92 minutes so there is an incredible amount of beauty to see from up there.

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.

Do your homework in advance about the actual travel details so transportation issues do not define your holiday.

The Moon has given us months, tides and a destination that ever-beckons. It's time we build a rocket and go to stay.

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.