《晋书·志·第一章》
亢宿四颗星，是天子的内朝，是统一管理天下表奏之事、听取讼诉、治理案狱、记录功劳之人。
亢四星，天子之内朝也，总摄天下奏事，听讼理狱录功者也。
Four stars of Kang Su: the inner court of the emperor, the place to manage all the memorials, hear the lawsuits, govern the cases, and record the achievements.