It is not from the benevolence of the butcher， the brewer， or the baker that we expect our dinner， but from their regard to their own interest.
Efficiency in extraction isn't just good for profits; it's good for the planet.
宏观是我们必须接受的，微观才是我们能有所作为的。
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。
感谢一位改变了你生活的老师。
每一本书都是一次旅程，每一页都是向未知迈进的一步。
The so-called ‘information age’ has given us a surplus of information and a deficit of meaning.