《礼记·内则》
到了六岁，要教他识数和辨认东南西北。到了七岁，开始教以男女有别，男孩和女孩，坐不同席，吃饭也不同席、到了八岁，出门进门，坐桌吃饭，一定要让长者在前，开始让他们懂得敬让长者的道理。
六年教之数与方名。七年男女不同席，不共食。八年出入门户及即席饮食，必后长者，始教之让。
When a child is six years old, he will be taught to read and recognize the four directions of southeast, northwest, and southwest. When a child is seven years old, he will be taught the difference between men and women. Boys and girls will not sit at the same table or eat at the same table. When a child is eight years old, whenever he goes out or enters, whenever he sits down at the table to eat, he must always let the elder go first. He must start to understand the principles of respecting his elders.