如果经济学家能够使自己被认为是谦逊的，能干的，与牙医水平相当的人，这是好的。
创造的行为是一种抵抗的行为。
这就是学习。你突然以一种新的方式理解了你一生都在理解的东西。
Sustainability is no longer an option; it's a necessity for survival.
The most successful companies are those that see change as an opportunity rather than a threat.
