The founders of a new colony, whatever Utopia of human virtue and happiness they might originally project, have invariably recognized it among their earliest practical necessities to allot a portion of the virgin soil as a cemetery, and another portion as the site of a prison.

Success often favors those who continually learn and adapt to change.

我们生产的每一块塑料都应该有完整的生命周期规划。

进步主要取决于人类本性中最强大而不仅仅是最高尚的力量能在多大程度上被用来增加社会福祉。