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数学的力量来自于它的抽象和概括能力,将具体问题转化为普遍真理。
The power of mathematics comes from its ability to abstract and generalize, turning specific problems into universal truths.
War is an ugly thing, but not the ugliest of things: the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth a war, is much worse.
The hardest decisions often require the simplest question: 'What's right for the long term?'
The past is never dead. It's not even past.