So what if you fail? At least you'll know what not to do when you try again.

We're all conditioned that we shouldn't like our brothers and sisters, that we should be angry and fight. But that's abnormal. A lot of people think that the way Serena and I are with one another is weird. It's not.

Tennis is a huge part of my life, but I don't base my self-value or my self-worth or the quality of my life on my results on the court.

Everybody's got their problems. The important thing is not to complain about it.

I LOVE RIHANNA. I LOVE THAT SHE IS HERSELF WITH NO APOLOGIES. HER SENSE OF STYLE AND SELF IS UNIQUE. I LOVE HOW SHE TRANSFORMS HERSELF WITH EACH ALBUM, EACH CAMPAIGN. ALWAYS EVOLVING. A TRUE ICON.

I'm always on the court with my dad.

I guess it's a little bit sentimental, but at the time I was really very focused in on really my performance. Afterward, it was really just a breath of fresh air, just like, 'Oh, yes, I'm back now. I'm doing good.'