Who said "Someday I'm going to be a world-famous author."?

This quote is attributed to Charlie Brown.

Someday I'm going to be a world-famous author. - Charlie Brown

"Someday I'm going to be a world-famous author."

Charlie Brown Dreams

"Good grief!"

"I got a rock."

"Rats! I did it again."

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

"This is going to be a great show!"

"Dreams are what make life worth living."

"Never stop dreaming big."

"Dreams are what keep us going."