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匿名 says:好资料
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匿名 says:
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数学墙
John von Neumann 1940s
The total subject of mathematics is clearly too broad for any of us. I do not think that any mathematician since Gauss has covered it uniformly and fully; even Hilbert did not and all of us are of considerably lesser width quite apart from the question of depth than Hilbert.
数学的所有学科显然对我们任何人来说都太宽泛了。 我认为自高斯以来，没有任何数学家完全且全面的掌握所有科目; 甚至希尔伯特也没有, 而且除了问题的深度之外，我们所有人了解的宽度都比希尔伯特小得多。
——约翰·冯·诺依曼