《资治通鉴·魏纪·魏纪八》
庚寅，高贵乡公进入洛阳，群臣在西掖门南边跪拜迎接，高贵乡公也下车答拜，司仪对他说： 按照礼仪不必答拜。 
庚寅，公入于洛阳，群臣迎拜西掖门南，公下舆答拜，傧者请曰： 仪不拜。 
On Gengyin, the Duke of Gaogui entered Luoyang. The ministers knelt down to greet him at the south side of the Xiyi Gate. The Duke of Gaogui also got off the carriage to salute them. The master of ceremony said: "According to the etiquette, you don't need to do that."