There is no such thing as a special category of science called applied science; there is science and its applications, which are related to one another as the fruit is related to the tree that has borne it.

The companies that thrive will be those that view environmental challenges as opportunities for reinvention.

定理不是偶然发现的。

一个好的经济学家必须既是科学家，又是人文主义者。