Building a solid foundation in the early years of a child's life will not only help him or her reach their full potential but will also result in better societies as a whole.

Honestly, I'm not a big fan of baseball.

Well, I do feel that I carry the responsibility of representing my country wherever I am, and this responsibility came with the success that I had in last couple of years, not just myself but the whole group of tennis players that comes from Serbia. And athletes in general are, in this moment, the biggest ambassadors that our country has.

You have to believe on the court. In the end, it's mental. In these moments against a great champion like Rafa, you have to believe. It's all about stepping in and taking your chances. I always believed, but it's a process of learning.

Messi is the best player on the planet and he keeps on improving at Barça, now the best team in the world. What Messi does on and off the pitch is an inspiration for children who dream of becoming a footballer.

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

My father never talked about the sacrifices that the family made for me.