Who said "I appreciate everything you've done for me."?

This quote is attributed to Ralph Wiggum.

I appreciate everything you've done for me. - Ralph Wiggum

"I appreciate everything you've done for me."

Ralph Wiggum Gratitude

"I'm in danger."

"Me fail English? That's unpossible."

"Eat my shorts."

"Ay caramba!"

"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"