Life is about timing and overcoming difficult things.

When I decided to go for four gold medals I planned it out over a few years. It was in four different events and there was a lot to it.

I want to be a millionaire, and I don't ever want a real job.

Track and field is the best way to reach out for kids. It doesn't matter how fast you are. You always want to beat someone.

Whether I'm 40, 50 or 60, I'm going to be as physically strong as I am able.

The people are fed up with their elected officials playing the blame game and treating their political counterparts as enemies.

Join me in the final race to smash poverty and achieve the UN Millennium Development Goals

The trials on the road to world harmony are no greater than the courage of those who accept the challenge.

My best year of track competition was the first year I ate a vegan diet.

Channel your energy. Focus.

It's all about the journey, not the outcome.

I never competed against athletes. I competed against perfection.

If you don't have confidence, you'll always find a way not to win.

I don't listen to music before a race - my coach doesn't like it, he thinks I might lose my focus and concentration.

I have learned that if this is what I am going to do, and do it well, then I have to avoid drinking.

Repeating is harder than anything else.

It's always a wake-up call to get beaten.

My favorite thing is always wings. That is my guilty pleasure.

Yeah, I am lazy. There's no doubt about that.