Who said "I'm grateful for the people who believe in me."?

This quote is attributed to Butters Stotch.

I'm grateful for the people who believe in me. - Butters Stotch

"I'm grateful for the people who believe in me."

Butters Stotch Gratitude

"I'm not bad, I'm just drawn that way"

"Aw, hamburgers!"

"You're grounded, mister!"

"I have to go do my chores now"

"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"