If you go to a big city anywhere in the world and you need a doctor, just ask me. I can tell you who's good and who's bad. I've even considered writing a guidebook.

You cannot compare your athletic achievement to the importance of children and giving them a safe environment in which to grow up and enjoy life.

When you lose a couple of times, it makes you realize how difficult it is to win.

Tennis has always been a big challenge to me and to be able to play that kind of tennis - well, only tennis can produce these feelings for me.

You can't measure success if you have never failed.

You can't measure success if you have never failed. My father has taught me that if you really do want to reach your goals, you can't spend any time worrying about whether you're going to win or lose. Focus only on getting better.

I have always been guided by striving to show the best that I could. That is what kept me going in tennis and it is the same now.