Who said "I've sold my soul, but I can always buy it back."?

This quote is attributed to Lisa Simpson.

I've sold my soul, but I can always buy it back. - Lisa Simpson

"I've sold my soul, but I can always buy it back."

Lisa Simpson Philosophy

"I'm not a bad girl, I'm just drawn that way."

"The only way to win is to not play."

"Understanding is the first step toward love."

"If something is hard to do, then it's not worth doing."

"I've seen the worst humanity has to offer."

"Sometimes I wonder if the world is worth saving."

"Every choice shapes our destiny."

"Order is the foundation of a good life."