Sustainable forestry is not just about cutting trees; it's about ensuring the future has forests to cherish.
可持续林业不仅仅是砍伐树木，更是确保未来有森林可供珍惜。
Memory is not just a personal matter; it is also a collective one.
The process of grouping, of organization, is not arbitrary but follows definite laws.
I think that the thing that makes mathematics worthwhile is the fact that it has this incredible structure that you can explore and discover.
Market failures are often not failures of markets, but failures of market design.
我不理会学科的地域界限，我只是抓住我所能抓住的所有大思想。
最终，我们只会后悔没有抓住的机会。
The value of a psychological concept is in its life application.
"Silence can be the most powerful form of communication."