If you go to a big city anywhere in the world and you need a doctor, just ask me. I can tell you who's good and who's bad. I've even considered writing a guidebook.

You can have a certain arrogance, and I think that's fine, but what you should never lose is the respect for the others.

When you lose a couple of times, it makes you realize how difficult it is to win.

I never look back, I look forward.

As long as I can focus on enjoying what I'm doing, having fun, I know I'll play well.

You can't measure success if you have never failed.

Age, what is it? It's not a figure that has ever meant anything to me.

I have always been guided by striving to show the best that I could. That is what kept me going in tennis and it is the same now.

There is no relief at it being over. There is the joy of winning it.

My big dream was to work as a photographer for 'National Geographic.'

It doesn't hurt to lose my crown, it hurts to lose.

When in a relationship, a real man doesn't make his woman jealous of others, he makes others jealous of his woman.

I had my gothy phase, but I was never a troublemaker or anything like that.

New York City is a place where you can lock yourself up in your little studio apartment, and not go outside at all, and not feel in the slightest guilty about it.

If geek means you're willing to study things, and if you think science and engineering matter, I plead guilty. If your culture doesn't like geeks, you are in real trouble.

Your failures and misfortunes don't threaten other people. . .It's your assets and your successes that are problems for people who derive their self-esteem from being superior.

Kids before they're 7 or 8 are like little manic obsessives. They become completely hooked on things and they're slightly crazy.

The great paradox is that our lack of faith in love and miracles is what blocks us from receiving love and miracles.

there's a natural depravity in inanimate things that's quite shocking, when you think of it.

I wonder who would lead us if none of us would vote.

Even forgiveness, if weak and passive, is not true: fight is better. Forgive when you could bring legions of angels to the victory.