《资治通鉴·后唐纪·后唐纪七》
壬申，大理少卿康澄上书启奏： 为臣听说，童谣不是祸福的根据，妖祥岂能当做兴变的本源！
壬申，大理少卿康澄上疏曰： 臣闻童谣非祸福之本，妖祥岂隆替之源！
On the ren-shen day, Shaoqing Kang Cheng of Dali submitted a memorial to the throne: I have heard that nursery rhymes are not an indication of misfortune or blessing, and ominous signs are not the root cause of rise or fall!