Who said "Here's a question: how come nobody ever believes me?"?

This quote is attributed to Professor Farnsworth.

Here's a question: how come nobody ever believes me? - Professor Farnsworth

"Here's a question: how come nobody ever believes me?"

Professor Farnsworth Truth

"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?"

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."