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.

That's the most terrible mistake you can make: to relax. It's difficult to become a champion, but it's more difficult to maintain it for many years because you're getting too comfortable.

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

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.

These nuclear plants are more dangerous than people realize.

With this magazine, you could change the 'H' to 'G', it may be funnier and better for sales.

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!