《魏书·帝纪·卷七》
如果公家有事，当依照以往的礼仪。牺牲谷物器皿，都必须丰富洁净。
其公家有事，自如常礼，牺牲粢盛，务尽丰洁。
When there are public matters, then the rites must conform to the old procedures. Sacrifices of livestock and grain must be plentiful and pure.