量化宽松的问题在于它在实践中有效，但在理论上却行不通。

一个人不仅可以通过他的行为对他人造成伤害，也可以通过他的不作为对他人造成伤害，无论哪种情况，他都应对他们负有道义责任。

我相信每一个挑战都是一个成长的机会。

Sustainability isn't a choice anymore—it's a responsibility we owe to future generations.

I have often been asked how my plays come about. I cannot say. Nor can I ever explain to myself what they mean.

一个东西丢了，95%的情况，它都在你最后一次见到它的地方一臂可及的范围内。在这个半径内所有可能的位置进行搜索，你就会找到它。

我们可以轻易原谅害怕黑暗的孩子；人生真正的悲剧是成年人害怕光明。

A computer program does what you tell it to do, not what you want it to do.

We shall not cease from exploration, and the end of all our exploring will be to arrive where we started and know the place for the first time.