The Midrash that tells us that the moon was jealous of the sun is much more than a mashal for kids. It contains deep and spiritual messages about how HASHEM runs the world, but it takes a mature mind to grasp them.
The world is far more complex than meets the eye. To really understand it, you need a spiritual microscope. This Shmuz, drawing on the teachings of the Rishonim as well as modern science, provides that spiritual microscope. The stories of your childhood wont seem so childish anymore.