Roald Dahl is my favorite children's book author; unfortunately he died a few years ago.

He wrote very whimsical stories that often held a deeper meaning (as in that saying from
The Twits{EDIT} I changed my signature, but here is the rough quote. "...but if you think good thoughts, they will shine out of your face like sunbeams and you shall always look lovely."
{EDIT} I had "quotes" instead of "thoughts" before. "slaps face in stickler-inspired disgust"