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The most important political development of the last half century has been the spread of liberal democracy around the world.

I’ve had my best years after fifty. Age is just a number—it’s your attitude that counts.?

我害怕變得平庸。

人們只看到自己想看的東西。

當一種編程語言的程序需要關注無關的細節時，它就是低級的。

The greatest gift you can give someone is your time.

模型檢查是驗證有限狀態并發系統正確性的強大技術。