This is a full-contact sport. It's the objective to disable your opponent, even if sparring or a real fight. You've got to use your technique.

Even if we were friends, I consider this a sport, a competition, so there are no ill feelings towards any other fighter or whatever.

This level of competition is extremely high. Everybody is trained. Everybody has a game plan. Everybody has a nutritionist. Everybody has everything. It's here that you realize, as people, we're all equal.

I do believe that Brock Lesnar will be coming back. I don't want to call it from retirement, but he is a huge draw, big guy, sells tickets. So that's a fight I would be interested in.

First I was going to be a football player, then after that try to study medicine or engineering. But it was very difficult to do medicine, so I did engineering.

I played football for a team called the East Dragons on the east side of town. We only had six regular season games. And six games I played tail back and I had 18 touchdowns in six games. That's when I knew I had some athletic ability.

In any sport, you're at your best when you're playing without thinking too much.

With persistence, dedication, and especially with the hand of God, I came to be recognized as the best player in the world, world champion, among many other important titles in the history of football.