Who said "I would like to know what other people think of me."?

This quote is attributed to Charlie Brown.

I would like to know what other people think of me. - Charlie Brown

"I would like to know what other people think of me."

Charlie Brown Relationships

"Good grief!"

"I got a rock."

"Rats! I did it again."

"Why is it that everything I do turns into a disaster?"

"The key to a happy marriage is communication."

"Marriage is about compromise and understanding."

"Life's greatest treasures are relationships."

"Trust is a luxury I can't afford."