When?a country is impoverished by military operations, it is because of the long distance transportation involved.Transporting supplies overlong distainces render the people destitute.

• 所以，用兵作战，只听说指挥虽拙但求速胜，而没有见过为讲究指挥工巧而求持久的、战争久拖不决而对国家有利的情形是没有的。