真相是，我们都在等待别人告诉我们自己是谁。

计算理论不仅仅是关于解决问题，还涉及理解可计算性的极限。

It’s on the strength of observation and reflection that one finds a way. So we must dig and delve unceasingly.

The idea that we will make a society where literally everybody is graded, the good at the top, bad at the bottom, exactly done as it should be, is impossible. There are simply too many random factors: accidents, accidents of birth, accidents of things dropping on people's heads, illnesses, etc. We will never get to grade them, never get to grade people as they should.

我们要做的是让技术服务于人，而不是人服务于技术。

The only power any government has is the power to crack down on criminals. Well, when there aren't enough criminals, one makes them. One declares so many things to be a crime that it becomes impossible for men to live without breaking laws.