Don't stay in bed, unless you can make money in bed.

You know you're getting old when you stoop to tie your shoelaces and wonder what else you could do while you're down there.

Since I've made it to 87 so far, obviously my two kids and my seven grandchildren haven't been too hard on me. On the other hand, the fact that I have an unlisted phone number and move a lot might have something to do with it.

Retire? I'm going to stay in show business until I'm the only one left

And God said 'Let there be Satan, so people don't blame everything on me. And let there be lawyers, so people don't blame everything on Satan.'

I did go to school - my kind of school. When I was a kid I went out ... and you meet people. You talk to them. Anybody says something that makes sense, it stays with you, rubs off on you. That kind of school.

Tennis is a young man's game. Until you're 25, you can play singles. From 25 to 35, you should play doubles. I won't tell you exactly how old I am, but when I played, there were 28 men on the court - just on my side of the net.