Who said "The key to happiness is helping others find theirs."?

This quote is attributed to Knuckles.

The key to happiness is helping others find theirs. - Knuckles

"The key to happiness is helping others find theirs."

Knuckles Gratitude

"I'm the last one standing!"

"Gotta protect this Master Emerald!"

"Nobody messes with the Master Emerald while I'm around!"

"I may not be the smartest guy, but I know what's right!"

"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"