有时候要大胆,有时候要小心,一个聪明人知道什么时候该怎么做。
There is a time for daring,and there is a time for caution, and a wise man understanding which is called for
In business, if you're not moving forward, you're falling behind.
对人类行为的经济学方法并非其他方法的替代品,而是一种补充。