《阿房宫赋》中说:“后人哀之而不鉴之,亦使后人而复哀后人也!”历史是我们最好的老师,从沉淀在岁月的史册里,我们总能或懵懂或清晰地收集到宝贵的经验。东汉桓帝宠宦官听谗言,酿成党锢之祸,皇后的父亲窦武上书进言,以秦时庞臣权利过大造反作乱之事为例提醒桓帝。桓帝听取了窦武的进言,没有重蹈秦朝二世的覆辙。近代史上,也有这样的例子。苏联施行改革失败了,但 “A Fang Gong Fu,” said: “The descendants mourning and not Kam, but also to make future generations sad people!” History is our best teacher, from the precipitation in the annals of time, we always Can gather valuable experience either knowingly or clearly. Huan emperor petty eunuch in the Eastern Han Dynasty, resulting in a calamity of the party detachment, the Empress Dowager Dou Wu wrote a letter to the Qin Pangchen overreaction as an example to remind Huan emperor. Huan Emperor heard the words of Dou Wu, did not repeat the mistakes of Qin Dynasty II. In modern history, there are such examples. The reform of the Soviet Union failed, however