I loved climbing because of the freedom, and having time and space. I remember coming off Everest for the last time, thinking of Dad and wishing that he could have seen what I saw. He would have loved it.

I find skydiving really hard. I broke my back while skydiving when I was in the military, and for 18 months all my nightmares were about falling.

Life doesn't reward the naturally clever or strong but those who can learn to fight and work hard and never quit.

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 always had a really natural faith as a kid. Where I knew God existed and it felt very free and pretty wild and natural, and it wasn't religious.

My Christian faith is my backbone

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