It's a very interesting fight [Klitchko vs Tyson Fury] because this is the first time [Wladimir] Klitschko is fighting someone as big as him and with longer arms. He will have to be a little bit more aggressive, otherwise the younger guy will have more speed and more energy and I think that may be the difference.

If I don't feel the same hunger as I once did then I definitely shouldn't box any more.

[Kirk] Johnson throws some heavy punches and is a knockout fighter. This is what people want to see. They want to see a fight, they want to see punches and they want to see action.

Vitali [Klitschko] does want to fight me, but his promoter wants to be bigger than him. This is another situation of politics in the sport.

As a boxer I took the liberty of using not only my fists, but also my head.

I play chess about four hours a day in training camp. You have to decide what move to use, or what combination of moves. I think less when I box because the reaction time is a lot quicker, but some people call me the chess boxer because they say I think too much in the ring. I take my time and they don't see the action they want. Some boxers just go in there and just throw punches and hope to win.

People know I was the last true champion.