The ability to create and sustain large, complex organizations is one of the key factors that distinguish successful societies from unsuccessful ones.

The past is a different country, they do things differently there.

即使在热带地区，晚上的气温也比你想象的要凉。打包得暖和一点。

"To write is to give voice to the voiceless, to illuminate the shadows of our world."

孩子不是从更重要的工作中分心的事物，他们本身就是最重要的工作。

The ability to associate depends, in turn, on the degree to which communities share norms and values and are able to subordinate individual interests to those of larger groups.