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The joy of solving a mathematical problem is unparalleled; it is a moment of pure intellectual triumph.

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

領導力不是討人喜歡，而是取得成果。

2008：貝索斯致股東信《逆向工作法 VS 技能導向法》

最有力的藝術往往是最模糊的。

In the internet age, three months is like a century.