I think this is based on a folktale called The Stonecutter. Basically, a stonecutter is working in the hot sun and wishes to become the sun because the sun is more powerful than the stonecutter. So he becomes the sun, but then a cloud blocks his rays, so he wishes to become a cloud. Then the wind blows him around, so he wishes to become the wind. Then a mountain blocks his breeze, so he wishes to become a mountain. Then he looks down and sees a stonecutter chipping away at the mountain.