最好的反应是那些第一次就能成功，并且每次都能成功的反应。
I don’t like to do easy things. I like to challenge myself.
The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.
技术是只有在它让人们能做他们想做的事时，才会被接受。
Money is concerned only with what is common to all, i.e., the exchange value, and it reduces all quality and individuality to the question: How much?
