《管子·山国轨》
至于亩产十鼓的上等土地，君主若不纳入统计来控制其产品，富民商人就要来控制。
亩十鼓之壤，君不以轨守，则民且守之。
As for the upper-class lands producing ten ‘gu’ per “mu”, if the lord does not use statistics to control their products, the wealthy businessmen will control them.