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A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between theories and the best mathematician can notice analogies between analogies.
当你长期研究难题时,你开始看到别人只看到困惑的地方的联系。
真正改变的唯一方法是改变你的环境。
我经常思考劳动和时间。