礼义廉耻
      Explanation: Ancients that the ritual hierarchy given equal status, meaning the criterion for action, inexpensive to clean and Founder, the heart of shame to have sense of shame. Refers to the feudal society, ethical standards and code of conduct.
      Usage: Joint type; as object; refers to the feudal society of moral standards and norms
      Source: Guan Zhong "pipe herdsmen": "What is four-dimensional? A ceremony said, second is justice, third is inexpensive and Si Yue shame."
      Examples: The morale of ancient Xian Jun Li will, when combined weight is difficult to ensure people in order to develop ~ the wind. ★ Sushi Song "beg like hiring Cheng Xia Wang 斿"