If I don't do what I need to do to win, I won't win, no matter who is on the other side of the net.

It's always been eclectic; you never know what you're going to get.

Hitting the ball has never been my issue, so I can literally not pick up a racquet for two months and hit the ball, really, really nicely. I mean movement's always an issue.

There are many ways of getting strong, sometimes talking is the best way.

If you're ranked number one in the world it's because you've earned it, and I think the only way to really get there is to have that ability and to have it nurtured in a very competitive environment at an early age.

Life will throw everything but the kitchen sink in your path, and then it will throw the kitchen sink. It's your job to avoid the obstacles. If you let them stop you or distract you, you're not doing your job, and failing to do your job will cause regrets that paralyze you more than a bad back.

If I've learned nothing else, it's that time and practice equal achievement.