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

Defeat will help you. I've been there and done that. I shook it off and came back stronger. It's nothing to be scared about.

I know he's retired, but I'm a big fan of Shaquille O'Neal, his game and his personality. I have a pair of his shoes in my office. You see the size of his shoe and think, 'This is not real, this couldn't belong to a human being.' But he is human!

I never fought in my life outside of a ring.

In Soviet times the border was closed so we couldn't get out of the country, and I had been reading Robinson Crusoe. I wanted to see the ocean, I wanted to see boats, I wanted to see black people, because we didn't have that in the Soviet Union. I was all excited by that stuff.

I don't care where people come from. It is not important to me. If you are good people will like you, if you're not, they won't. It is simple.

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.