This tale teaches that each person's role is different. It should serve their own best. And should not interfere with the duties of others because it can cause damage.
Moral to know each person's roles are different. Therefore, it should make its own duties, and should not interfere with the duties of the people because it may cause damage.
The story taught to know that the role of each individual is different; therefore it should be the best of his own, and should not interfere with the other's because it may cause damage.