Who said "That's the spirit! The spirit that leads to certain doom."?

This quote is attributed to Professor Farnsworth.

That's the spirit! The spirit that leads to certain doom. - Professor Farnsworth

"That's the spirit! The spirit that leads to certain doom."

Professor Farnsworth Courage

"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?"

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

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