Don't go into debt and don't spend a lot. It's not how much money you make, it's how much you spend.
Winning comes down to who can execute under pressure.
I like entrepreneurial people; I like people who take risks.
Every generation I think gets better usually [in tennis].
I would just never out anybody. I think everyone has to find it in their own way and their own time.
I have a lot to say, and if I'm not No. 1, I can't say it.