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政治沒有永恒的朋友，只有永恒的利益。

I think it's important to have female storytellers.

The quality of a country's institutions is the single most important determinant of its long-term economic performance.

The challenge of acting is not to show, but to reveal.

計算機圖形學中的挑戰在于用數學模型的簡單性來模擬現實世界的復雜性。

解釋：既要追悔以往的過失，也要預防將來可能發生的錯誤。