世界是一本书，不旅行的人只读了一页。
"The world is a book, and those who do not travel read only one page."
可持续性不是一种趋势，而是我们对后代的责任。
未来的竞争，不是产品的竞争，而是服务的竞争。
The interplay between topology and symmetry in materials can lead to unexpected and exciting physical phenomena.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。