理论上，理论和实践之间没有区别。但实际上，是有区别的。
In theory, there is no difference between theory and practice. But, in practice, there is.
如果我们相信数据结构，就必须相信独立的（因此同时进行）处理。为什么我们还要在结构内收集物品？我们为什么要容忍一种语言而没有另一种语言呢？
We need to make sure that technology serves humanity, not the other way around.
The only real freedom is the freedom to be yourself.
真相很少是纯粹的，也从来不是简单的。
To teach how to live without certainty and yet without being paralyzed by hesitation is perhaps the chief thing that philosophy， in our age， can do for those who study it.
短语‘享有自由和正义 for all’代表了正义应人人可及的理念，然而事实并非如此。
Light is not just illumination; it's the language of emotions.
