《宋史·列传·卷六十三》
太宗巡视大名，征调民丁十五万修理黄河、汴河，王济认为这会增加老百姓的负担，朝廷于是诏令王济前去经办此事，回来上奏说省去费用十之六七。
车驾巡师大名，调丁夫十五万修黄、汴河，济以为劳民，诏济驰往经度，还奏省十六七。
Taizong inspected Daming, recruited 150,000 civilians to repair the Yellow River and Bian River. Wang Ji believed that this would increase the burden on the people. The imperial court ordered Wang Ji to go and deal with the matter. He came back and reported that he had saved 60% to 70% of the expenses.