Faith is personal if it's to be real.

All worthwhile journeys have big obstacles. It's the way of the world. The rewards go to those who can push through those trying moments and still manage to keep a smile on their face.

That feeling when you're so cold you'd give anything to be warm - I've had it before, literally huddled around a candle flame on an ice sheet.

Our dreams are just wishes, if we never follow them through with action. And in life, you have got to be able to light your own fire.

I think viewers quite like it when I'm suffering or eating or drinking something horrible or really up against it in some quicksand or whatever.

The rules of survival never change, whether you're in a desert or in an arena.

There is little faith involved in setting out on a journey where the destination is certain and every step in between has been mapped in detail. Bravery, trust, is about leaving camp in the dark, when we do not know the route ahead and cannot be certain we will ever return.