The atmosphere doesn't care about political boundaries when it comes to climate change.

死人比破碎的心更重。

造纸业在环境管理方面有独特的机会来引领潮流。

The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when to be obeyed.