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你和我各有一个苹果,如果我们交换苹果的话,我们还是只有一个苹果。但当你和我各有一个想法,我们交换想法的话,我们就都有两个想法了。
自由的代价是永恒的警惕。
The most remarkable development of the last quarter of the twentieth century has been the revelation of enormous weaknesses at the core of the world's seemingly strong dictatorships.