I suppose it's amazing how quick life goes by when you have children.

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.

So long divided and so differently situated, the ties of blood were little more than nothing.

If you continue to improve a product enough, you'll eventually ruin it.

What terrible tragedies realism inflicts on people.

Gold thou mayst safely touch; but if it stick Unto thy hands, it woundeth to the quick.

I expect this is what death is like when you meet it. Sort of wildly unfair but inevitable.

I realized that the one person who could break my heart is the only one who should have it.

On aging societies, there is no reason why a country that has a lot of old people can't be prosperous if, during their working lives, individuals provide for their retirement.

Where's your sense of adventure?" "Off on a beach somewhere with your sanity?

Concentrated power has always been the enemy of liberty.

If the future and the past really exist, where are they?