Who said "I believe in the power of imagination."?

This quote is attributed to Bart Simpson.

I believe in the power of imagination. - Bart Simpson

"I believe in the power of imagination."

Bart Simpson Imagination

"Eat my shorts!"

"Ay caramba!"

"Don't have a cow, man."

"Cowabunga!"

"Imagination is more powerful than knowledge."

"The world is full of wonders if you know where to look."

"You have the imagination of a child, Lucy"

"The world is full of mysteries waiting to be solved."