ONE TWO THREE INFINITY -- George Gamow
Chapter II Natural and Artificial Numbers
1. THE PUREST MATHEMATICS
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"We are often told that pure and applied mathematics are hostile to each other. This is n ot true. Pure and applied mathematics are not hostile to each other. Pure and applied mathematics have never been hostile to each other. Pure and applied mathematics will never be hostile to each other. Pure and applied mathematics cannot be hostile to each other because, in fact, there is absolutely nothing in common between them. " -- David Hilbert
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唉， David Hilbert先生的“纯数学 vs 应用数学”。这是不是也是一种凡尔赛啊？
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