Don’t let a first-set victory lead into a second-set slump

You're always striving to play that perfect match.

When I was in grade school and we had to write papers about what we wanted to be when we grew up, I wanted to be a social worker or a missionary or a teacher... Then I got involved with tennis, and everything was just me, me, me. I was totally selfish and thought about myself and nobody else, because if you let up for one minute, someone was going to come along and beat you. I really wouldn't let anyone or any slice of happiness enter... I didn't like the characteristics that it took to become a champion.

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

I can definitely say the same thing [discussing Steffi Graf's claim that she had played against at least one top player who used steroids]. Steroids can really make a difference, physically and mentally. I'd be really disappointed if I had been ranked No. 2 behind someone who took steroids.

You can't give up! If you give up, you're like everybody else.

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.