《管子·国蓄》
如果人君不能及时治理，富商就进出于市场，利用人民的困难，牟取百倍的厚利。
然而人君不能治，故使蓄贾游市，乘民之不给，百倍其本。
If the emperor cannot govern in time, the rich merchants will enter and leave the market, taking advantage of the people's difficulties to make a hundred times more profit.