《孙子兵法·作战篇》
国家之所以因为打仗而贫困，是由于军队远征，物资不得不进行长途运输。长途转运百姓就会贫困。军队经过的地方物价必然飞涨，物价上涨就会使百姓财物枯竭，财物枯竭就更加难以应付赋役。
国之贫于师者远输，远输则百姓贫；近师者贵卖，贵卖则百姓财竭，财竭则急于丘役。
The reason why nations become poor because of wars is that when the army goes on expeditions, supplies must be transported over long distances. Long-distance transportation would make the people poor. The price of goods in places where the army passes will inevitably soar; the price increases would exhaust the people's wealth, and when the wealth is exhausted, it becomes even more difficult to cope with taxes and corvée.