Who said "Work is what adults do instead of having fun."?

This quote is attributed to Billy.

Work is what adults do instead of having fun. - Billy

"Work is what adults do instead of having fun."

Billy Work

"I'm a big fan of science!"

"Mandy, wouldn't it be great if we could stay young forever?"

"I love the smell of destruction in the morning!"

"Why does everything have to be so complicated?"

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."