Discipline is doing what you hate to do, but nonetheless doing it like you love it.

I'm just a sucker even talking to you guys. I should be ready to rip your heads off your necks. But it's just not the right thing to do

It's nothing personal, but I'm going to kill this guy

I still can’t believe [ Muhammad Ali ] knows my name. It astounds me he knows who I am. I first met Ali in 1976. I was locked up in a juvenile home and he came to visit. I’ve never forgotten it.

In order to be a friend to anybody, you have to be a friend to yourself. If you're not a friend to yourself, there's no way you're gonna have any friends.

When I fight someone, I want to break his will. I want to take his manhood. I want to rip out his heart and show it to him.

I'm not a good-looking guy. I don't care if my nose gets mashed.