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A good mathematician is someone who can see analogies between theorems. A great mathematician is someone who can see analogies between analogies.
一个好的数学家是能看到定理之间类比关系的人。一个伟大的数学家是能看到类比关系之间的类比关系的人。
梦想不会自己实现,除非你付诸行动。
A belief is like a guillotine, just as heavy, just as light.