Who said "Strength is the ability to skip class and survive."?

This quote is attributed to Bart Simpson.

Strength is the ability to skip class and survive. - Bart Simpson

"Strength is the ability to skip class and survive."

Bart Simpson Strength

"Eat my shorts!"

"Ay caramba!"

"Don't have a cow, man."

"Cowabunga!"

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."