匏瓜空悬
      Explanation: Confucius, like the gourd melon can not compare yourself to the Department as hanging people without food, it should be official career official, make a difference. After the metaphor for people who do not have to be used for the world.
      Source: "The Analects of Confucius Yang goods": "I also Zai Qi Pao melon? How can the department do not eat."