Every ton of aggregate we produce carries the weight of responsibility—to our customers and our communities.

The man who has no inner life is the slave to his surroundings.

数学中最重要的是理解概念，而不仅仅是记忆公式。

文学应该让人不安，应该提出问题，而不是给出答案。

当你最不抱期望时，研究的坚持往往会带来回报。