每个数学问题都有一个解决方案；你只需要找到正确的视角。

Los libros son puertas a universos paralelos que llevamos dentro.

The role of business is to produce products and services that make people's lives better—while using fewer resources—and to act lawfully and with integrity.

The essence of computational complexity is to understand the limits of what can be computed efficiently.

The most profound question is not about the existence of God, but about the existence of the world.