《礼记·文王世子》
庶子的政务是管理国君的族人，用孝梯、睦友、慈爱的伦理教育他们，使他们明白父子关系的含义，长幼之间的礼节。
世子之谓也。
The government affairs of Shuozi are to manage the royal relatives, educate them with the ethics of filial piety, friendship, and love, so that they can understand the meaning of the relationship between father and son and the etiquette between the elderly and the younger.