没有必要把生活看得太严肃。你永远无法活着离开它。
We must not be afraid to be wrong, for only by being wrong can we learn and progress.
Economics is not just about predicting behavior; it's about shaping it.
可以同他交谈却没有交谈,这是错过了人才。不可以同他交谈却要同他交谈,这是白费口舌。聪明的人既不错过人才,又不浪费语言。