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The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.
History taught us is that people never know learn the lessons of history.
In mathematics, the art of proposing a question must be held of higher value than solving it.
激光技术的每一次突破都让我们更接近解决困扰科学家数十年的谜题。
Style is as much under the words as in the words. It is as much the soul as it is the flesh of a work.