Injustice is relatively easy to bear; what stings is justice.

世界是一本书，不旅行的人只读了一页。

合作是伟大成就的基础。

The complexity of things—the things within things—just seems to be endless. I mean nothing is easy, nothing is simple.

经济学方法为理解所有人类行为提供了一个有价值的统一框架。