The moral of the Golden Goose is that greed and materialism can lead to one's downfall. The Farmer in the story was initially satisfied with his humble possessions, but once he caught sight of the golden goose, he became consumed with greed and obsession. He allowed his desire for wealth to blind him to the potential consequences of his actions, ultimately losing everything he had in the process.
The Golden Goose teaches us that it is essential to find contentment and appreciation in what we have and to avoid being enticed by worldly desires or external objects that promise happiness or success. True fulfillment comes from within, not from external possessions. Additionally, the story highlights the value of honesty, integrity, and gratitude—traits that the Farmer lacked, which contributed to his downfall.