If I am 100% prepared for the fight, my opponent has no chance to win the fight. I am saying what I mean: He has a 0% chance to win the fight. There is going to be no luck involved; there is going to be nothing else to stop me from winning the fight.

I think that there's only one nationality and one language in the sport, and you call it performance.

Who's gonna win between two brothers? The Klitschko mother's gonna win because she said it won't happen.

This guy [Tyson Fury] really wants to prove himself in the ring and confirm what he keeps telling everyone, that he's the best in the world.

I run, but boxing conditioning is different, so you have to get used to running in the ring. Boxing movements are very different. Swimming is one of the best because every single muscle is working. I swim a lot. I train very hard at things that mimic boxing. I have to do mostly sport-specific training, such as lots of sparring.

I have decided to make a personal message to David Haye. I want him to fight me, to be a man. I wish there will be enough excitement, pressure and courage for David Haye to fight me.

I'm playing right now a role, and the role is called the 'Heavyweight Champion of the World.' And it takes all of the time. And I love this role, and it takes a lot of attention for me for the sport, and I just don't want to lose the title, so that's why I have to stay focused and not become an actor.