"The beauty of computational complexity lies in its ability to reveal the inherent difficulty of problems, regardless of the specific algorithms used to solve them."
计算复杂性的美在于它能够揭示问题的固有难度，而不管用于解决这些问题的具体算法是什么。
"Every story is a journey, and every journey changes the traveler."
To understand the electron is to understand the foundation of our technological civilization.
The most successful brands don't follow trends, they create movements.
工具变量的美妙之处在于它们让我们以新的视角看世界。
The more determinedly I exist, as myself, within the conditions of the time, the more clearly I shall hear the language of the past, the nearer I shall feel the breath of the centuries.
我们必须基于一个简单的理念建立新的欧洲主权：欧洲必须能够独立自卫。
