I definitely want to get out of tennis and try something completely different.

I think it's difficult to be No. 1. 'There's too much attention, too much expectation from other people.

There is no such thing as a perfect player; it doesn't exist.

I'm not a materialistic person.

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.

Roger [Federer], he brought tennis... one level higher. Normally he toys with everybody. With all respect to other players, he does whatever he wants on the court against them. It's incredible what kind of game he can play.

I definitely want to get out of tennis and try something completely different.