It's really impossible for athletes to grow up. On the one hand, you're still a child, still playing a game. But on the other hand, you're a superhuman hero that everyone dreams of being. No wonder we have such a hard time understanding who we are.

The main thing is not a matter of wanting to win; the main thing is being scared to lose.

Marriage isn't a 50-50 proposition very often. It's more like 100-0 one moment and 0-100 the next.

Reputation is what others think about you. What's far more important is character, because that is what you think about yourself.

When they take surveys of women in business, of the Fortune 500, the successful women, 80% of them, say they were in sports as a young woman.

Sports teaches you character, it teaches you to play by the rules, it teaches you to know what it feels like to win and lose-it teaches you about life.

I like putting money back into what made my life, and tennis has been great to me.