The difference between stupid and intelligent people—and this is true whether or not they are well-educated—is that intelligent people can handle subtlety.

The chemical industry is the backbone of modern civilization, and we must treat it with the responsibility it deserves.

说话过多会有不当之处，不如沉默寡言以保无虞。

真正的森林管理意味着为后来者留下一些树木——以及一些利润。