"Going in the ring...there's going to be one thing going through my head: To the death. We're gonna go to the death. I'm not going to stop. I'm willing to die. I'm gonna go SERIOUS. I'm going to try to kill you and I'm not joking about this."."
"In that clip they asked me what am I going to be thinking while I'm standing on the other side of the ring from him," Penn explained. "And if you're not thinking that in your head, then what are you doing in that ring? If you're not thinking that you're going to go across and you're going to kill this guy -- and you're going to annihilate this guy -- what are you doing there?"