The challenge in computer science is not just to create new technologies, but to ensure they are used ethically and responsibly.

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

计算复杂性的研究告诉我们，有些问题本质上是困难的，无论我们的算法多么聪明。

解释：国家大而政绩小，国家的影响就跟它的政绩一样；国家小而政绩大，国家的地位也大。