Intelligence emerges from the interaction of simple processes.

I feel like I'm too busy writing history to read it.

我们从这样的假设开始：任何学科都可以以某种智力上诚实的形式有效地教给处于任何发展阶段的任何孩子。

It is the preoccupation with possessions， more than anything else， that prevents us from living freely and nobly.

Sustainability isn't a trend—it's our responsibility to future generations.

你能给别人的最伟大的礼物就是你的时间和关注。

我们都在努力用被赋予的一切来经营生活。

宇宙正在膨胀，而且膨胀的速度在加快。