It's easier to live with disappointment than regret.

Freed from the thoughts of winning, I instantly play better. I stop thinking, start feeling. My shots become a half-second quicker, my decisions become the product of instinct rather than logic.

A strong body listens. It obeys. A weak body commands. If your body is weak it tells you what to do. If your body is strong it'll actually listen to you when you tell it to do something. If you build it right you can overcome some of the obstacles of age and recovery.

First of all, let me say, 1:15 in the morning, for 20,000 people to still be here, I wasn't the winner, tennis was. That's awesome. I don't know if I've ever felt so good here before.

I'm going to have to pick my shots and play great tennis.

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.

This is the only perfection there is, the perfection of helping others.