Who said "I could have been somebody if I wasn't so lazy."?

This quote is attributed to Charlie Brown.

I could have been somebody if I wasn't so lazy. - Charlie Brown

"I could have been somebody if I wasn't so lazy."

Charlie Brown Work

"Good grief!"

"I got a rock."

"Rats! I did it again."

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

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."