I was between 2 and 3 in the world for two, three years. That's not exactly where I wanted to be.

He's a haircut and a forehand.

Don't mistake activity for achievement - practice the right way. - John Wooden I only play well when I'm prepared. If I don't practice the way I should, then I won't play the way that I know I can.

I think talent is dangerous to have if you take it for granted. If you use it well and put hard work with it together, it's hard to catch that guy. And I think that's what you're seeing right now.

People may say I developed an iron will, but what really happened is that I made myself much fitter. I think an iron will is always supported by fitness.

I have seriously thought about retiring, but that was on a good day. On a bad day I've thought about killing myself.

I certainly don't lose any sleep if I lose a tennis match.