Victory is very, very sweet. It tastes better than any dessert you've ever had.

I love metaphors. I've never been on this train. ... If I'm standing on the middle of a track, I'm definitely going to get derailed. I have to make sure that I'm on the train and not in front of it.

You can't underestimate anyone.

When you lose, you get up, you make it better, you TRY AGAIN.

It's amazing, but I guess that happens when you become overly famous. Every week now, I get more famous.

I can't become satisfied, because if I get satisfied, I'll be like, "Oh, I've won Wimbledon, I've won the U.S. Open. Now can I relax." But now people are really going to be fighting to beat me.

I am basically a blazer. If I were a clothing item, I would be a legging and a blazer.