《资治通鉴·后周纪·后周纪二》
说： 诸侯入朝觐见，天子应该有宴席犒劳，岂能等人出钱买宴呢！
帝不受，曰： 诸侯入觐，天子宜有宴犒，岂待买邪！
He said, “When feudal lords come to pay respects to the emperor, it is the emperor who should host a banquet to reward them. How can they be made to buy their own banquet!”