Who said "Friends are forever, or at least until high school."?

This quote is attributed to Bart Simpson.

Friends are forever, or at least until high school. - Bart Simpson

"Friends are forever, or at least until high school."

Bart Simpson Friendship

"Eat my shorts!"

"Ay caramba!"

"Don't have a cow, man."

"Cowabunga!"

"Friendship is built on trust and honesty."

"True friendship is worth more than gold."

"Good friends are like stars, always there even when you can't see them."

"Friendship means sacrifice."