I chose to stay with tennis and they didn't understand that at the school.

People think this is all about the top players hitting tenins balls and they talk about technique and strategy and how important that is. But they don't understand the essence of competition. This is one-on-one, two players out there fighting each other with everything they have, trying to bring the best out of themselves. And the difference at this level of the game is all in the head and in the heart.

You know, I eat, I ate pretty well anyway so, I'm basically living the same, I just curtailed the stupidity.

The strongest and most dangerous enemy you will ever face is a negative attitude. Learn to recognize when it is trying to invade your body and mind, then simply refuse it entry.

They wrote it that my moustache was insured for 13 million.

I wouldn't, a little bit frightened but throughout my life I'd learnt that when you're in the serious situations, you've got to try to stay calm. Because that's the way you get out of them.

I was a pretty feisty young kid.