The study of computational complexity is not just about solving problems, but also about understanding the limits of what can be computed.

真理是一种发生在观念上的东西。

The best way to predict the future is to create it.

The opening up of new markets, foreign or domestic, and the organizational development from the craft shop and factory to such concerns as U.S. Steel illustrate the same process of industrial mutation—if I may use that biological term—that incessantly revolutionizes the economic structure from within, incessantly destroying the old one, incessantly creating a new one.

我们都是自己故事中的英雄。