Remember, success is not measured by heights attained but by obstacles overcome. We're going to pass through many obstacles in our lives: good days, bad days. But the successful person will overcome those obstacles and constantly move forward.

Start early and begin raising the bar throughout the day.

If I was lying on my deathbed and I had kept this secret and never ever did anything about it, I would be lying there saying, 'You just blew your entire life.'

Our mission for younger people is to do our best to make exercise cool, hip - the thing to do.

I didn't only have a perceptual problem, I was also so nervous and so upset. The process just didn't work. I lost enthusiasm for school and I flunked second grade. The teachers said I was lazy.

Nobody has milked one performance better than me - and I'm damned proud of it.

The most challenging aspect of the decathlon is not the events themselves, but how you train to become the best 100-meter runner you are on the same day that you're the best 1,500-meter runner.