If you're losing, just be a man, be a man and lose as a man. Don't pretend that you are injured and then you start running around and start to hit winners, and then all of a sudden you pull the hands up in the air after winning the match. I mean, what kind of sportsman are you? What kind of man are you?

I didn't change the world.

I've realized I can't waste any moment being unhappy.

Many say that (Pete) Sampras is the greatest player. But I say with all due respect to the rest, that he (Roger Federer) is the most complete player in the world so far.

We live because of the dreams.

I'm not a materialistic person.

Never give up. Last year I was trying to give up but I couldn't.