What I learned as a young child continues to have a tremendous impact on my life today.

I don't think, that you can always - you can ever - get your game to perfection, you know. Only if you're Federer.

My nutritionist has done a great job in changing my diet after we established I am allergic to things like gluten - I can't eat pizza, pasta and bread. I have lost some weight, but my movement is sharper and I feel great.

I think luck falls on not just the brave but also the ones who believe they belong there.

Nadal's the best player in history on [clay], and he is one of the best-ever players that played this game.

I always try to show my human side to my colleagues and to the whole circuit. More than anything because we are all on the same train, it is part of our work.

My success has a lot to do with my private life. I've matured a lot by first becoming a husband and now a father. My life is in the right direction. And that helps a player to thrive. One thing is linked with the other. My private life has helped me.