If we let our head drop, our heart drops with it. Keep your head up, and your body is capable of amazing feats.

There's an importance of keeping an open mind. The brain is programmed to protect us, and that can mean imposing limits on what it thinks we can or should do. Constantly push at those limits, because the brain can be way too cautious.

When things are tough, you get tougher.

It's not records I chase, it's self-improvement. And that cannot be done by taking it easy.

Pick your battles, and accept yourself for who you are.

There is a special mystique about the marathon, for example, because of its length-but that's just the bit you do at the end of an Ironman

Hard work and an open mind - it's the only way to realize the potential that is inside every one of us.