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To write a good love letter， you ought to begin without knowing what you mean to say， and to finish without knowing what you have written.

計算的研究對于理解可計算性的極限至關重要。

Even in the grave， all is not lost.

小說是一個講述真相的謊言，一個比事實真相更深刻地揭示現實的謊言。