Every material has a memory, and every action leaves a trace.

Sustainable development requires balancing economic benefits with environmental protection.

数学的进步归功于那些不是被应用的欲望驱动，而是被发现的喜悦驱动的人。

译文：想要看清一个人，应当看看他交的是什么朋友。

Economics is not just about predicting behavior; it's about shaping it.

计算使树木开花。