幸福不能被追求;它必须随之而来。
蠢人做蠢事,也可理解为傻人有傻福。
The past is a shadow that follows us, no matter how fast we run.
Economics is not just about predicting behavior; it's about shaping it.
It's not what you're looking for trouble, but something that you're not sure of, but in fact, it's not.