Words are the only thing that lasts forever.

Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.

每一帧都应该讲述一个故事。

最危险的监狱是我们建在脑海中的那些。

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。