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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。
A good mathematician is someone who can see analogies between theorems. A great mathematician is someone who can see analogies between analogies.
能源的未来是低碳的,但石油和天然气在未来几十年仍将是能源结构的一部分。
"The most powerful tool we have as leaders is our own example."
The laws of physics are the same in every corner of the universe.
Tomorrow, in a very real sense, your life -- the life you author from scratch on your own -- begins.