世界需要负责任的矿工，他们既了解矿产的价值，也明白地球的价值。

The most important skill for a computer scientist is problem solving. The ability to formulate problems, think creatively about solutions, and express a solution clearly and accurately.

"In the study of computational complexity, we often find that the boundaries of what is possible are defined by the limits of our imagination."

The first step in liquidating a people is to erase its memory. Destroy its books, its culture, its history. Then have somebody write new books, manufacture a new culture, invent a new history. Before long the nation will begin to forget what it is and what it was. The world around it will forget even faster.

法律体系的存在是一个事实问题，而不是道德问题。