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数学中最深刻的洞见往往来自意想不到的类比。
The most profound insights in mathematics often come from unexpected analogies.
真相伤人,但谎言更伤人。
The only thing that stands between a man and what he wants from life is often merely the will to try it and the faith to believe that it is possible.
Be still. Apart from this the mind has no task to do or thought to think.
幸福的家庭生活像一个美妙的仲夏之夜;内心安宁,身边的一切都闪耀着独特的光芒。