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數學的本質不是使簡單的事物復雜化，而是使復雜的事物簡單化。

Cryptography is about communication in the presence of adversaries.

The most powerful weapon you have is your voice, use it to inspire, to heal, and to change the world.

沙漠之所以美麗，是因為在它的某個角落隱藏著一口井水……

What's terrible is to pretend that second-rate is first-rate. To pretend that you don't need love when you do; or you like your work when you know quite well you're capable of better.