《资治通鉴·宋纪·宋纪十六》
上下情况的沟通，应该由固定的机构执行。到后来，这些侍从由于生活上亲近而受到恩宠，由于宠爱进而受到信任。在君王眼里，左右侍从没有使人畏惧的力量，而只有取悦于人的脸色。
既而恩以狎生，信由恩固，无可惮之姿，有易亲之色。
The communication of information between the higher and lower levels should be carried out by a fixed institution. Later on, these attendants were favored due to their close living conditions, and they were then trusted due to the favor. In the eyes of the ruler, the left and right attendants do not have the power to make people fear, but only the pleasing expression on their faces.