If you're competitor-focused, you have to wait until there is a competitor doing something. Being customer-focused allows you to be more pioneering.

The only way to do great work is to love what you do.

经济历史的研究不仅仅是关于过去；它是关于理解当前不平等的根源。

领导力是一条双向街道，向上忠诚和向下忠诚。尊重上级；关心下属。

建筑的强度不仅在于其材料，还在于使用它的人的精神。