Who said "War is hell, and I should know, I've been to war."?

This quote is attributed to Professor Farnsworth.

War is hell, and I should know, I've been to war. - Professor Farnsworth

"War is hell, and I should know, I've been to war."

Professor Farnsworth War

"Good news, everyone!"

"I'm going to build my own theme park, with blackjack and hookers!"

"Why must I be surrounded by these incompetent fools?"

"To shreds, you say?"

"Some battles are worth fighting."

"Sometimes you have to become the monster to stop the monsters."

"Skynet sent me back through time to kill you."

"War teaches us the value of peace."