The Soviet Union was a civilization of fear, where people lived in constant dread of the knock on the door at night.

有两种构建软件设计的方式：一种方式是让它简单到明显没有缺陷，另一种方式是让它复杂到没有明显的缺陷。

"The most beautiful people we have known are those who have known defeat, known suffering, known struggle, known loss, and have found their way out of the depths."

知道自己不知道的比聪明更有用。