Who said "I like people who like me."?

This quote is attributed to Charlie Brown.

I like people who like me. - Charlie Brown

"I like people who like me."

Charlie Brown Friendship

"Good grief!"

"I got a rock."

"Rats! I did it again."

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

"Friendship is built on trust and honesty."

"True friendship is worth more than gold."

"Good friends are like stars, always there even when you can't see them."

"Friendship means sacrifice."