When I was outed, it was like, That's done.

Bobby Riggs was one of my heroes. I admired him. That's one of the reasons I beat him - because I respected him.

Tennis is a game of angles. You never have time to figure the angles. It's practiced. It's so practiced that it becomes an instinct. You just know where to put the ball. You just feel it. It has been computed into your brain so many times ­ it is there.

Martina and I went through a very bad five years. Everything's very good between us now, but it was a long haul.

Each point I play is in the now moment. The last point means nothing, the next point means nothing.

People say, "Do you know how much a million dollars is?" I don't have a clue. How many Big Macs will it buy me?

It's really impossible for athletes to grow up. On the one hand, you're still a child, still playing a game. But on the other hand, you're a superhuman hero that everyone dreams of being. No wonder we have such a hard time understanding who we are.