Who said "Be kind to your enemies, they make the best pranks."?

This quote is attributed to Bart Simpson.

Be kind to your enemies, they make the best pranks. - Bart Simpson

"Be kind to your enemies, they make the best pranks."

Bart Simpson Kindness

"Eat my shorts!"

"Ay caramba!"

"Don't have a cow, man."

"Cowabunga!"

"A good man treats his wife with respect."

"Kindness always comes back around."

"The power of a smile can change everything."

"Kindness is weakness to some. Not to me."