《礼记·文王世子》
设立太傅、少傅来培养太子，目的是要让他知道父子、君臣的关系该如何相处。
立大傅、少傅以养之，欲其知父子、君臣之道也。
The purpose of establishing Taifu and Shaofu to cultivate the prince is to let him know how to get along with the father and son, monarch and minister.