Who said "A simple thank you can mean more than a thousand words."?

This quote is attributed to Waylon Smithers.

A simple thank you can mean more than a thousand words. - Waylon Smithers

"A simple thank you can mean more than a thousand words."

Waylon Smithers Gratitude

"Mr. Burns is a great man, and I would do anything for him."

"The key to success is hard work and dedication to your employer."

"I live for the moment when Mr. Burns needs me."

"Love is wonderful, but duty comes first."

"Gratitude makes life richer."

"A grateful heart is a happy heart."

"Respect those who came before us."

"Life's greatest treasures are the people we love"