Who said "When I grow up, I want to be a principal, or a caterpillar."?

This quote is attributed to Ralph Wiggum.

When I grow up, I want to be a principal, or a caterpillar. - Ralph Wiggum

"When I grow up, I want to be a principal, or a caterpillar."

Ralph Wiggum Dreams

"I'm in danger."

"Me fail English? That's unpossible."

"Eat my shorts."

"Ay caramba!"

"This is going to be a great show!"

"Dreams are what make life worth living."

"Never stop dreaming big."

"Dreams are what keep us going."