真相很少是纯粹的，也从不简单。

Short-term gains in forestry often lead to long-term losses for the planet.

Reflect upon your present blessings, of which every man has plenty; not on your past misfortunes, of which all men have some.

材料设计的微小改变可以大幅减少环境影响。

永远不要停止学习。当你认为自己无所不知时，就是你失败的时候。

只为自己活着的人，不值得活在世上。