The best way to be happy is to live in the moment.
Don‘t cry because it is over, smile because it happened。
当经济学以严谨和透明的方式帮助我们解决现实世界的问题时,它处于最佳状态。
I'm more powerful than my mind can even digest.
I like to be a free spirit. Some don’t like that, but that’s the way I am.