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

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

When you're successful for so many years, the scariest part is that you're getting too comfortable because you've had so much success.

Politics is comparable to boxing. The only thing is that in politics there are basically no rules. In boxing, you can get a black eye, but in politics you can get poison in your food or a bullet in the head. It's definitely rougher and tougher than other sports.

Obsession is love in an extreme shape.

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.

When people are tipsy, they're really encouraged and they wanna prove they can do something to the Heavyweight champion.