The real challenge in computer science is not to write programs, but to understand the nature of computation.
计算机科学中的真正挑战不是编写程序，而是理解计算的本质。
I'm the reason your snow won't melt.
阅读好书，就如同与过去几个世纪最杰出的人物交谈。
Economics is the study of how societies use scarce resources to produce valuable goods and services and distribute them among different individuals. If we think about the definitions, we find two key ideas that run through all of economics:
意志不坚强的人，智慧也不会高到哪里去；说话不算数的人，做事也不会果敢痛快。
量子计算理论是科学史上最深刻的发现。