I train so hard to make sure failure doesn't happen. If I do everything I can, and run as fast as I possibly can and someone still beats me, I don't think of that as failure.

Greatness is defined by someone who is not simply awesome and wonderful in the sport they compete in but goes beyond that and is great in whatever they do off the track or off the court.

It's hard to have a bad hair day when you're famous.

You forget that sometimes people are out there to get you - they don't even have a reason.

I am against performance-enhancing drugs. I have never taken them and I never will take them.

I'm an Internet junkie.

My career has always been one of the most important things, but after having a baby you find that it drops down on the totem pole.