一个人可能发生的最糟糕的事情就是失去希望。
The worst thing that can happen to a human being is to lose hope.
所有人类行为都有以下七个原因中的一个或多个:机会、自然、强迫、习惯、理性、激情和欲望。
Sustainability isn't optional anymore—it's the price of admission to the global marketplace.
The best way to predict the future is to invent it.