处理一个不自由的世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反叛。

Sustainability isn't an option—it's a responsibility we owe to future generations.

我相信讲故事的力量可以改变人心和思想。

Quality is not an act, it is a habit.

今天种下的每一棵树都是留给明天的遗产。

有时候你必须先输才能赢。

There is danger from all men. The only maxim of a free government ought to be to trust no man living with power to endanger the public liberty.

Safety isn't a priority—it's a value. Priorities change; values don't.