竞争均衡解决方案的存在与规范经济学或福利经济学之间的关系也许同样重要。
Psychological theories must pass the test of practical experience.
最好的故事是那些提出问题而不仅仅是提供答案的故事。
I believe that we are all born with a purpose, and mine is to sing.
每一天都是改变生活的新机会。
To understand is to forgive, even when understanding is hardest to come by.