On the £20,000 Mercedes prizes for each winner at the World Athletics Championships in Stuttgart- Anyone good enough to win already has one.

Life is often compared to a marathon, but I think it is more like being a sprinter; long stretches of hard work punctuated by brief moments in which we are given the opportunity to perform at our best.

As an athlete, I'd average four hours a day. It doesn't sound like a lot when some people say they're training for 10 hours, but theirs includes lunch, massage and breaks. My four hours was packed with work.

A good traveller is one who knows how to travel with the mind.

Your problems pale in comparison with those of the millions of people in the world who do not have enough to eat.

Be who you are in every situation.

You learn as much from those who have failed as from those who have succeeded.