In the fable "The Shepherd’s Boy and the Wolf," the main theme is about the importance of honesty and the consequences of lying. In the story, a young shepherd boy gets bored and decides to trick the villagers by shouting that a wolf is attacking his sheep when it is not true. The villagers rush to help him, but they find out there is no wolf. The boy enjoys their reaction and does this a few times.
However, when a real wolf finally appears and threatens the sheep, the boy cries for help again. This time, the villagers do not believe him because he has lied before. As a result, the wolf attacks the sheep, and the boy learns a valuable lesson about how lying can lead to losing trust.
In summary, the theme of this fable teaches us that honesty is very important and that if we lie, people may not believe us when we tell the truth.