The better I get, the more I realize how much better I can get.

Once you start believing in yourself, anything is possible.

On Chris Evert: Before I even met her, she stood for everything I admired in this country: poise, ability, sportsmanship, money, style.

I've been talking to Martina [Hingis] about playing for a couple of years. Maybe I can convince her to play some doubles.

The mentality, that's something you should be able to control. Whether you are healthy or not, how fast you can run - they aren't things you can work on, but the mentality should be.

If I feel strongly, I say it. I know I can do more good by being vocal than by staying quiet. I'd have a whole lot more money if I lied, but I wouldn't enjoy spending it.

When one man becomes more important than the country he's supposed to be leading, this will always create a problem.