I do see a lot of the hard end of ecology, and my feeling is that we live on a super-exciting planet but a super-fragile one.

And if you give your heart to a goal, it will repay you. It's the law of the universe.

Survival requires us to leave our prejudices at home. It's about doing whatever it takes - and ultimately those with the biggest heart will win.

Nobody wants to end up super rich and famous - but divorced. I'm always clear on that and try to stay on the right side of the line.

Dreams, though, are cheap, and the real task comes when you start putting in place the steps needed to make those dreams a reality.

How you speak about others speaks loudest about yourself.

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.