国家的力量对于任何社会的成功都至关重要。

The paper industry has a responsibility to lead the way in environmental stewardship.

如果一个人行为不端正，内心不纯洁，那么权势和富贵都会像云烟一样消散。

"Mental life is fundamentally adaptive."

Every hide carries two histories: the animal's life and the tanner's legacy. We're responsible for both.

有两样东西，人们越是经常持久地对之凝神思索，它们就越是使内心充满常新而日增的惊奇和敬畏：我头上的星空和我心中的道德律。