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Quality is never an accident; it is always the result of intelligent effort.

如果你想走得快，獨自前行；如果你想走得遠，結伴同行。

I've learned that you can't control everything in your life, but you can control how you react to it.

In business, as in life, integrity is the only currency that never loses its value.

活著就是受苦，生存就是在苦難中找到某種意義。

每一個數學問題都是通向更深入理解世界的窗口。

一個好的數學家是能看到定理之間類比的人；一個偉大的數學家是能看到類比之間的類比的人。