Who said "The secret to life is just trying to be a good person."?

This quote is attributed to Charlie Brown.

The secret to life is just trying to be a good person. - Charlie Brown

"The secret to life is just trying to be a good person."

Charlie Brown Wisdom

"Good grief!"

"I got a rock."

"Rats! I did it again."

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

"I'm not angry, I'm just disappointed."

"The best things in life are free."

"You can't have everything in life, but you can have what matters most."

"A woman's intuition is rarely wrong."