I always look back to my first Olympic medal in 2004 in Athens. I was very new to the sport, and it was my first big win at the Olympics.

I'm always nervous. If I wasn't nervous, it would be weird. I get the same feeling at all the big races. It's part of the routine, and I accept it. It means I'm there and I'm ready.

I have learned that track doesn't define me. My faith defines me. I'm running because I have been blessed with a gift.

I'm really laid back but I still like to dress up sometimes.

I always want to give more than I gave yesterday.

I try to think about my goals. I think about my competitors-I know they're working hard, and if they are, I have to work hard too. I have to be one step ahead of them.

Everyone sees the glory moments, but they don't see what happens behind the scenes.

Every moment is not great and sometimes those are the moments in which you learn the most.

My speed is a gift from God, and I run for His glory. Whatever I do, it all comes from him.

Philippians 1:21 is very special to me because it helps to keep my life centered.

I'm just competitive. It doesn't matter what it is. I want to win.

Every act of goodness it's born from our desire to be happy.

Be a vessel of love and fill up with compassion and kindness. Then give it away with unconditional love.

It might be just some trend that came and went, ' I said. 'But for us, it's our life.

Mathematics takes us into the region of absolute necessity, to which not only the actual word, but every possible word, must conform.

I consider poetry my vocation, not my "career." My career is as a university professor; that's what pays the bills.

Stopping me? That's impossible. There's not anything that can really stop me.

I have taken advantage of other people's weaknesses in order to cover my own.

Well, I started thinking about what you were saying about how your movies need to make a profit. Now, what is the one thing, if you put it in a movie, it'll be successful?

I have sacrificed everything in my life that I consider precious to advance the political career of my husband.

Ends and beginnings—there are no such things. There are only middles.