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每一個數學問題都是通向新理解世界的窗口。

史記

成功的企業家必須同時具備理想主義和現實主義。

愛護自己的體面不如注重廉恥；求醫用藥不如善養性情；結黨營私不如昭示信義；作威作福不如誠懇篤實；過多的表白不如謹小慎微；巧取聲名不如矯正自己心念；恣意于奢侈恣逸，不如從名教中自取其樂；安置田宅不如給兒孫多施家教。

The man who is anybody and who does anything is surely going to be criticized, vilified, and misunderstood.

There is no easy walk to freedom anywhere, and many of us will have to pass through the valley of the shadow of death again and again before we reach the mountaintop of our desires.

最好的領導者是那些能夠預見未來并提前做好準備的人。