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沒有矛盾的人生不值得書寫。

最重要的是永遠不要停止提問。

Once we realize that imperfect understanding is the human condition, there is no shame in being wrong, only in failing to correct our mistakes.

The quality of a country's institutions is the most important determinant of its success.

Innovation is at the heart of what we do; it's how we will meet the dual challenge of providing affordable energy while reducing environmental impact.