This story illustrates greed at work. We always start off with something and desire more and then more and then more again until we die or actually lose everything while alive.
The Fisherman's Wife is never satisfied with the granted wishes and always desires more until she eventually ends up where she initially started. As she wishes for more and more nature becomes more destructive almost as if the granting of the wishes was destroying the world.
In the end, the Fisherman's Wife desired power over the sun and moon. It is interesting that the fish was willing to grant all that she asked for within the human world. From Fisherman's Wife she ended up being the Pope. This final wish was control over nature which the fish refused to grant and all of her other wishes were undone. Humans should not have power over nature. Also, it shows the powerlessness we have over nature. It is a limit that I suppose should not be crossed.
This entire review has been hidden because of spoilers.