劳动力市场在不断演变，我们的模型应反映这一点。

To understand the future, one must first understand the past.

The natural price of labor is that price which is necessary to enable the laborers, one with another, to subsist and to perpetuate their race, without either increase or diminution.

世界变化非常快。大不再能打败小，而是快打败慢。

Growth happens outside your comfort zone.

你看得越多，看到的就越多。