Who said "A lifetime of working hard has taught me nothing."?

This quote is attributed to Mr. Burns.

A lifetime of working hard has taught me nothing. - Mr. Burns

"A lifetime of working hard has taught me nothing."

Mr. Burns Work

"Release the hounds!"

"I'm trying to be a better man, but it's exhausting."

"Money can be exchanged for goods and services."

"Smithers, release the robotic Richard Simmons!"

"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."