It gives me goose bumps and little butterflies in the stomach when I start thinking about the 'golden slam.'

I still feel young as far as motivation is concerned, and also the challenges that I have for the future and what I want to achieve. So I just hope this successful streak is extended to the fullest.

I physically feel very fit. I’m very motivated to keep on playing on a very high level. I’m going to try to use these years in front of me to fight for the number one of the world and fight for the biggest titles.

You have to consistently be successful to be one of the top players in the world, and everything is possible in life.

Serbian history tells that family is the most important thing and you have to stick with the family.

I never wanted to change countries; it's something that is part of me.

Tennis players we're always playing in center courts that feel like arenas. And when we get on the court and the crowd cheers your name or salutes you - it's like you're a gladiator in the arena. And everyone is cheering - and you're fighting, you're screaming, during your strokes - it feels like you're an animal, fighting for your life.