Who said "Life is full of surprises, but I'm not sure they're all good."?

This quote is attributed to Charlie Brown.

Life is full of surprises, but I'm not sure they're all good... - Charlie Brown

"Life is full of surprises, but I'm not sure they're all good."

Charlie Brown Life

"Good grief!"

"I got a rock."

"Rats! I did it again."

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

"Life is meant to be lived with passion."

"Life is what happens when you're busy making other plans."

"Life is a journey, not a destination."

"Life's too short for regrets."