Only younger brothers will understand me. We're following in the footsteps of older brothers. You are looking up to your brother. You want to do the same things. You want to do as good as he and do it even better.

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!

This guy [Tyson Fury] really wants to prove himself in the ring and confirm what he keeps telling everyone, that he's the best in the world.

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

I'm boring but effective.

I should say that mental strength is No. 1, experience [is] No. 2, physical strength is No. 3, and genetic ability that you're getting from Mother Nature probably comes after.

You lose or you win the fight - and anything in life - in your mind. I can look at how the person walks, how he speaks, his expressions. It's a wisdom. Eyes are the mirror of the soul. So you can read a lot.