Barney: Man, you'd never get me into a ring. Boxing causes brain damage.

Related:

• Moe: Geez, Homer. I never seen a guy stand up to that kind of punishment.
  I mean, you took a three-man pounding and didn't even...
• Moe: Are you man enough to test every one of your limits?
  Homer: Yes. Moe: And are you man enough to throw...
• Now, no matter how much he hits you, you don't do nothing,
  okay? You don't wanna get drawn into a boxing match...
• Oh my god! Simpson's manager has flown into the ring and is airlifting him out!
  Ladies and gentlemen, whatever dignity remained in...
• Moe: Hey, Barney! What'll it be? Barney: I'd like a beer,
  Moe! Yoko: I'd like a single plum floating in perfume...
• Homer: [gasps] You know Lucius Sweet?! He's one of the biggest names in boxing!
  He's exactly as rich and as famous as Don King, and...
• Homer: All right brain, you don't like me, and I don't like you.
  But let's just get me through this, and I can get back...
• Homer: [thinking] Hmm...Barney's movie had heart, but "Football in the Groin" had a football in the groin.
  Barney: [on the screen] Don't cry for me, I'm already...
• Marge: Moe, I'm so glad I found you. Please, promise me you won't let Homer get hurt.
  Moe: Hey, hey, hey, I'm not the villain here, okay...