How thoroughly it is ingrained in mathematical science that every real advance goes hand in hand with the invention of sharper tools and simpler methods which, at the same time, assist in understanding earlier theories and in casting aside some more complicated developments.
每一个真正的进步都伴随着更锋利的工具和更简单的方法的发明，这在数学科学中是多么根深蒂固啊!与此同时，这些工具和方法有助于理解早期的理论，并把一些更复杂的发展抛诸脑后。
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