A Poor man and a Wonderful Goose

Once there was a poor man. He had a wonderful goose. It laid a golden egg everyday. The man sold it and become very rich. Still he was not happy. He wished to have all eggs at a time. He cut open the belly of the goose. But, alas! he found no golden egg there. He lost the goose well a golden egg everyday. 

Moral : Greed all, loose all.