《美国精神》写道:“在整个历史上没有哪个国家象美国这样万事顺利,每一个美国人都了解这一点。地球上没有任何地方自然条件如此优越,资源如此丰富,每一个有进取心和运气好的美国人都可以致富。由于大自然和经验都告诉他们应该保持乐观,美国人的乐观精神是异乎寻常的。就总体来说,他们从来不知道失败,贫困或是压迫;他们认为这些不幸是旧世界所特有的。对他们来说,进步不是抽象的概念,而是日常的经 “The American Spirit” wrote: "No nation has historically been as smooth as America, and every American knows this. There is no such thing anywhere on earth that there are so many natural conditions, so rich in resources, Americans who are lucky can get rich because both nature and experience tell them that they should remain optimistic and that Americans are optimistic about the optimism they have never known about failure, poverty or oppression, and they think that Unfortunately for the Old World, for them, progress is not an abstract concept but a routine