Once a dog found a Piece of meat.He ran ran ran out ran ran out to enjoy it lonely. As he was crossing the bridge over a canal, he was his own shadow in the water. He thought that it was another dog with a piecce of meat in his mouth. "I must have that piece of meat as well", said the dog to himself.
The dog was greedy indeed. He didn't know that the shadow was his own image. His greedy mouth opened to bark at it. Out dropped the piece of meat and. He was sorry for his foolishness. But it was too late
Moral : Grasp all, lose all.