Who said "I believe in telling the truth, even when it's difficult."?

This quote is attributed to Marge Simpson.

I believe in telling the truth, even when it's difficult. - Marge Simpson

"I believe in telling the truth, even when it's difficult."

Marge Simpson Truth

"I don't use cologne. I'm scent-free."

"Mmm, donuts."

"You know, Homer, I've learned that sometimes the best things in life are the simple ones."

"Family is everything to me."

"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."