You don’t build a business—you build people—and then people build the business.

History is that certainty produced at the point where the imperfections of memory meet the inadequacies of documentation.

The biographer's task is to resurrect the past, not to judge it.

Stay humble, stay hungry.

教育是你可以用来改变世界的最有力武器。

Dreams are the seeds of reality.

地理学的研究是对地球作为人类居住地的研究。