Moral lesson of the mandarin and flower festival?

It seems you're asking about a specific story or event called "The Mandarin and Flower Festival". However, I don't have enough information to tell you a moral lesson from it.

To help me understand your request, could you please tell me:

* What is "The Mandarin and Flower Festival"? Is it a real event, a fictional story, or something else?

* What are the key details of the story or event? What happens, who are the characters, and what is the overall message?

Once I have this information, I can help you identify the moral lesson.