The important thing is to learn a lesson every time you lose. Life is a learning process and you have to try to learn what's best for you. Let me tell you, life is not fun when you're banging your head against a brick wall all the time.
John McEnroeOn a given day, Serena Williams could beat some players. I believe because she's so incredibly strong mentally that she could overcome some situations where players would choke 'cause she's been in it so many times, so many situations at Wimbledon, The U.S. Open, etc. But if she had to just play the circuit - the men's circuit - that would be an entirely different story.
John McEnroe