This is the only perfection there is, the perfection of helping others.

Tennis is one of the only sports in America where the sport doesn't grow with the size of the person - it just forces you to swallow the whole pill.

Nothing can substitute for just plain hard work

I'm going to go down swinging... I'm sure as heck not going to go home and say I had a bad tournament.

The most animated talks we have are about...things

Nothing can substitute for just plain hard work. I had to put in the time to get back. And it was a grind. It meant training and sweating every day. But I was completely committed to working out to prove to myself that I still could do it.

I've been cheered by thousands, booed by thousands, but nothing feels as bad as the booing inside your own head during those ten minutes before you fall asleep.