Prerequisite Train Officials with Moral Principles in Ancient-China

Why is it necessary to cultivate the morality of officials in Ancient China? The first reason is appointing officials on their merits that were based on family, small-scale peasant economy and ideology of esteeming the virtuous. The worthy person result from cultivation rather than inborn. The deeper reason is that Ancient-Chinese always carried out benevolent rule, which required officials to be moral model and forced them to complete the mission of running a state according to the rule of the emperor.