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.

Every now and then I will play; I try to focus on charitable work. I might do it because it's an offer I can't refuse, so I rally and try to stay in shape and keep myself active.

Remember this. Hold on to this. This is the only perfection there is, the perfection of helping others. This is the only thing we can do that has any lasting meaning. This is why we're here. To make each other feel safe.

I think one of the greatest joys I have now in my career and in my profession is to be playing at an age where I can appreciate it more than I used to... It's a whole different lens you look through the older you get.

In tennis you're on an island. Of all the games men and women play, tennis is the closest to solitary confinement.

My accomplishments do not live up to my tennis game. Most people have to work really hard and win some big matches, and then they get money and popularity. For me it has been the reverse of everybody else. The exact opposite.

The best predictor of future events is probably past events.