无征不信
      Explanation: There is empirical evidence to verify. There is no evidence, or if something is not credible.
      Source: "Book of Mean" on Yan who, although not good sign, no sign do not believe, do not believe the people from the Front. "
      Examples: The so-called summer ceremony, Yin Li had been no sign documents. ~ ", So his attention is Yuyu Hu Bunya," the Zhou. ★ Guo "Ten Criticisms Criticism of Confucius and Mozi II"