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

I learned in my Ph.D. the discipline I needed to be successful. Most boxers are not that disciplined. They have talent, but the self-organization - the ability to schedule yourself and your priorities - is lacking. My studies were about the control of training on both the psychological and the physical side.

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

My height is an advantage, if I want to use it.

I heard that I am crazy for taking this fight but I'm very excited about this chance. His manager is saying that I'm a 'dead man walking' but 'dead men' cannot have 'nightmares'.

These nuclear plants are more dangerous than people realize.

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