不以对话方式行事，而是坚持强加其决定的领导者，不是在组织人民——他们是在操纵人民。他们不解放，也不被解放：他们在压迫。

可持续性不是一种选择，而是我们对下一代的责任。

There is no such thing as a happy ending.

地质学研究的真正魅力在于从已知到未知的思维锻炼。

计算理论与心智哲学和智能的本质有着深刻的联系。

And when you do I want you to know this， remember this: there is no such thing as failure. Failure is just life trying to move us in another direction. Now when you’re down there in the hole， it looks like failure. So this past year I had to spoon feed those words to myself.