I just never give up. I fight to the end. You can't go out and say, 'I want a bag of never-say-die spirit.' It's not for sale. It has to be innate.

Most people that do play nowadays hit really hard. It was good to get someone that hit really hard early on.

I wanted to get really fit. I wanted to lose some weight. So I've been doing Pilates and yoga, trying to lean out my body so I won't be bulky.

I always believe I can beat the best, achieve the best. I always see myself in the top position.

Who says that your thirties is when you're supposed to be done? I would like to know who made that rule!

Venus told me the other day that champions don't get nervous in tight situations. That really helped me a lot. I decided I shouldn't get nervous and just do the best I can.

If anything, we haven't changed much since we [with Venuse Williams] were kids. We really are the same people.