Who said "Truth hurts, which is why I like it."?

This quote is attributed to Nelson Muntz.

Truth hurts, which is why I like it. - Nelson Muntz

"Truth hurts, which is why I like it."

Nelson Muntz Truth

"Ha-ha!"

"Your tears of unfathomable sadness!"

"I'm gonna enjoy this, Bart. I'm gonna enjoy this a lot."

"Eat my shorts, Simpson!"

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."