行为法则与物理学法则一样精确。

我不怕失败，最怕的是没勇气去试。

I don't make music for eyes. I make music for ears.

Understanding the limits of computation is as important as understanding its possibilities.

抽象的目的不是模糊，而是创建一个新的语义层次，在这个层次上可以绝对精确。