The Monkey's Paw
a central idea in the monkeys paw is
sud
sud
This is a thematic question. There are a number of ideas you can consider but the main one would surround greed and dangers wishing for something that you do not deserve or have not worked for. There is a supernatural energy in the paw that delivers wishes but not in the way the White's had hoped for.
The main idea of the story "The Monkeys Paw"