在困难时期,伟大的领导人们已经表达了希望。1940年二战之初，温斯顿?丘吉尔在当选英国首相时向议会发表演讲, 坦率地对他的同胞说:“我所能奉献的唯有热血、辛劳、眼泪与汗水。……但当我担负起我的任务时，是乐观而满怀希望的。”他后来还写道:“悲观主义者在机会中总是看到困难，乐观主义者在困难中总是看到机会。”前捷克总统和广受赞誉的作家瓦茨拉夫?哈维尔认为：乐观与希望的区别在于，乐观主义过于幼稚或机会主义,而希望则是做道德上正确的事情:“希望与乐观是截然不同的。它不是坚信某事会有圆满结果,而是确定某事有意义,不管结果如何。”

今天的全球经济挑战既需要乐观也需要希望。幸运的是,我们已经从历史、经济分析与政策中吸取了许多教训去应对这些挑战。我的期望是,这本书将有助于寻找解决方案。

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