Who said "Scooby snacks taste better when you've earned them."?

This quote is attributed to Scooby-Doo.

Scooby snacks taste better when you've earned them. - Scooby-Doo

"Scooby snacks taste better when you've earned them."

Scooby-Doo Gratitude

"Scooby-Dooby-Doo, where are you?"

"Ruh-roh!"

"Like, zoinks!"

"Let's split up, gang!"

"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"