The Difference Is Almost All Mental. The

Whatever Your Goal In Life, Be Proud Of Every Day That You Are Able To Work In That Direction.

Relationships Are Give-and-take, And When You're A Tennis Player, You're Certainly Not Giving. You Have To Be Self-absorbed. It Has To Be About You.

Ninety Percent Of My Game Is Mental. It's My Concentration That Has Gotten Me This Far.

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.

Every Time, All The Time, I'm A Perfectionist. I Feel I Should Never Lose.