When you're gone I can go running though the house screaming and no one will ever hear me.

Rivalries don't necessarily mean races being close at major championships. I had a rivalry with Butch Reynolds for many years. I won all the races, but Butch was the world record holder before I came into the sport, he was extremely talented and he was the only other man running 43 seconds.

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.

I've had to learn that not everybody does things my way. But I do expect the absolute best of everyone around me, and I'm disappointed when people don't expect that of themselves.

It is important that you strive for humility, but not humiliation, for a cool, level-headed confidence, not a stiff, delusional arrogance.

A good mentor offers directions and driving tips from the back seat. You still have to drive the car.