经济史和经济发展的核心问题是解释政治和经济制度的演变，这些制度创造了一个诱导生产率提高的经济环境。

I love to think of nature as an unlimited broadcasting station, through which God speaks to us every hour, if we will only tune in.

The future of computing is not in the hardware, but in the software.

阅读的行为是对世界喧嚣的一种反抗。

在长期进步方面，合作胜过竞争。