You've got to take the initiative and play your game. In a decisive set, confidence is the difference.

If you're a champion, you have to have it in your heart. You can have the greatest coaches in the world, all the opportunities to play, and the greatest equipment, but if you don't have it inside, you're not going to make it. On the other hand, if you don't have any of those luxuries but you have heart and courage and the guts to go out there and grind it out, then you'll make it.

Not every child is cut out for an individual sport.

If I win several tournaments in a row, I get so confident I'm in a cloud. A loss gets me eager again.

Ninety percent of my game is mental. It's my concentration that has gotten me this far.

The great high of winning Wimbledon lasts for about a week. You go down in the record book, but you don't have anything tangible to hold on to. But having a baby -- there isn't any comparison.

Training the body to obey the mind as I have done differs from the more conventional method of getting the mind to obey the body.