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。
The theory of computation is not just about solving problems, but also about understanding the limits of what can be computed.
Sometimes the questions are complicated and the answers are simple.
艺术之美在于真理之光穿过想象力的棱镜。
The Internet is the first thing that humanity has built that humanity doesn't understand, the largest experiment in anarchy that we have ever had.
与陌生人做爱是最好的。没有什么比这更令人兴奋。