The study of economic history is not just about the past; it’s about understanding the roots of present inequalities.

Was everyone else really as alive as she was?... If the answer was yes, then the world, the social world, was unbearably complicated, with two billion voices, and everyone’s thoughts striving in equal importance and everyone’s claim on life as intense, and everyone thinking they were unique, when no one was. One could drown in irrelevance.

儿童有自我保卫和平和追求完美的内在冲动。

气候模型就像时间机器 - 它们让我们能够窥视可能的未来。

成功的数据管理的关键是理解数据。如果你不理解你的数据，你就无法有效地管理它。