《管子·七主七臣》
因此，人们知道哪些是一定要做的，哪些是一定要避免去做的，推之则去，招之则来，就象在高处下投重物，又象在地上开渠引水一样。
故民知所必就，而知所必去，推则往，召则来，如坠重于高，如渎水于地。
Thus people know what they must do and what they must not do; if the ruler repels them, they will leave; if he summons them, they will come; just as when a heavy object is thrown from a height, or a canal is dug in the ground, water will rush into it.