Who said "Life's a joke and you're the punchline."?

This quote is attributed to Nelson Muntz.

Life's a joke and you're the punchline. - Nelson Muntz

"Life's a joke and you're the punchline."

Nelson Muntz Humor

"Ha-ha!"

"Your tears of unfathomable sadness!"

"I'm gonna enjoy this, Bart. I'm gonna enjoy this a lot."

"Eat my shorts, Simpson!"

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."