I have a number of heroes I still have warm feelings about. [Derek] Shackleton, for instance, was definitely, and still is, one of my great heroes.

I found fear stimulating. Particularly after you've done something that you'd been frightened of at the time, but you carried through and did the job.

When you're climbing at high altitudes, life can get pretty miserable.

Challenge is what makes men. It will be the end when men stop looking for new challenges.

I have a number of heroes I still have warm feelings about. [Derek] Shackleton, for instance, was definitely, and still is, one of my great heroes.

I'm past carrying out some of the wishes that I would have wanted to do before, but I still dream about what I would like to do if I was able to do so.

Once I've decided to do something, I do usually try to carry it through to fruition.