Serena's always been one of the best, and she will forever be one of the best tennis players in women's tennis.

I think my biggest thing is learning when to hit which serve when, not doing the exact same thing over and over. Because O.K., great, it's 120 miles per hour, but they're standing right there, and they just block it back.

It's one of those things where eventually in your career, it kind of switches from being the young up-and-comer to someone who has had results and the other person is trying to raise their level to play. I think it's a privilege.

Setting a goal, accomplishing it, and feeling good about yourself can help build confidence and perseverance.

The best thing about playing football is making fans happy. The supporters help us a lot out on the pitch.

A female professional athlete has to have the whole package, as opposed to a guy who can just be good at sport. You have to have a job or go to uni or do three sports instead of one, you have to be a standout.

Kentucky is the best job in basketball coaching. Why would I leave?

When I started playing in Sweden, there was nobody watching. No one knew who I was, so I was just playing for the love of the game. And after my first season, my coach came up to me and said, 'Of all the people you're the one who smiles the most on the field,' and that was the biggest compliment I ever received.