我不让成功定义我，我让它磨砺我。

True innovation often comes from questioning what everyone else accepts as fact.

The first lesson of economics is scarcity: There is never enough of anything to satisfy all those who want it. The first lesson of politics is to disregard the first lesson of economics.

We are living in a universe that is constantly expanding and evolving.

农业是制造业和商业的基础。

时间在记忆中的流动方式与现实中不同。

教育的影响远远超出个人收入。

历史学家是向后看的先知。