Criticism is a great motivation. Failure is not an option to me.

I always train and prepare with highest concentration and focus on my next opponent. To me, it does not matter what his name is.

[Anthony Joshua] is the best man in the division and I believe this excitement speaks for itself. This is what the fans want and this fight must happen.

I've been many times to Dubai and the U.A.E., and I have friends that live there. It would be exciting to stage world heavyweight championship fights in the Arab world. It's something Muhammad Ali achieved when he fought in Zaire or the Philippines. It's absolutely exciting to fight in countries where you have never fought.

From nothing to everything is a long way, from everything to nothing is one stop.

After Chernobyl, thousands and thousands of people, if not millions, were given a death penalty and had to pay the price, our father among them.

Nobody is born as a champion. You have to earn it through hard work. Get started!