I think self-awareness is probably the most important thing towards being a champion.

I think self-awareness is probably the most important thing towards being a champion.

Billie Jean King

It's just really important that we start celebrating our differences. Let's start tolerating first, but then we need to celebrate our differences.

It's just really important that we start celebrating our differences. Let's start tolerating first, but then we need to celebrate our differences.

In 1973, a woman could not get a credit card without her husband or father or a male signing off on it.

In 1973, a woman could not get a credit card without her husband or father or a male signing off on it.

A champion is afraid of losing. Everyone else is afraid of winning.

A champion is afraid of losing. Everyone else is afraid of winning.

The most important words that have helped me in life, when things have gone right or when things have gone wrong are 'accept responsibility.'

The most important words that have helped me in life, when things have gone right or when things have gone wrong are 'accept responsibility.'

Pressure is a privilege ... it's what you do with it that matters.

Pressure is a privilege ... it's what you do with it that matters.

No one changes the world who isn't obsessed.

No one changes the world who isn't obsessed.

The main thing is to care. Care very hard, even if it is only a game you are playing.

The main thing is to care. Care very hard, even if it is only a game you are playing.

For me, losing a tennis match isn't failure, it's research.

For me, losing a tennis match isn't failure, it's research.

Ever since that day when I was 11 years old, and I wasn't allowed in a photo because I wasn't wearing a tennis skirt, I knew that I wanted to change the sport.

Ever since that day when I was 11 years old, and I wasn't allowed in a photo because I wasn't wearing a tennis skirt, I knew that I wanted to change the sport.

Don't let anyone define you. You define yourself.

Don't let anyone define you. You define yourself.

Champions keep playing until they get it right.

Champions keep playing until they get it right.

Pressure is a privilege - it only comes to those who earn it.

Pressure is a privilege - it only comes to those who earn it.

I have often been asked whether I am a women or an athlete. The question is absurd. Men are not asked that. I am an athlete. I am a women.

I have often been asked whether I am a women or an athlete. The question is absurd. Men are not asked that. I am an athlete. I am a women.

A girl didn't get an athletic scholarship until the fall of 1972 for the very first time.

A girl didn't get an athletic scholarship until the fall of 1972 for the very first time.

The main thing is not a matter of wanting to win; the main thing is being scared to lose.

The main thing is not a matter of wanting to win; the main thing is being scared to lose.

I can't stand to sing the same song the same way two nights in succession, let alone two years or ten years.

I can't stand to sing the same song the same way two nights in succession, let alone two years or ten years.

I never sing a song the same way twice.

I never sing a song the same way twice.

When Lester plays, he almost seems to be singing; one can almost hear the words.

When Lester plays, he almost seems to be singing; one can almost hear the words.