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出自《魏源集·默觚下·治篇五》。三代以上,天都跟现在的天不一样,地都跟现在的地不一样,人也跟现在的人不一样,物也和现在的物不一样。
In mathematics, the journey of discovery is often more rewarding than the destination itself.
挑战在于让观众感受到一些东西,在情感层面上与他们建立联系。
"Stories are the most important thing in the world. Without stories, we wouldn't be human beings at all."