当且仅当所有投资者都持有均值-方差有效的投资组合时，市场组合才是有效的。

In science, the most exciting phrase to hear is not 'Eureka!' but 'That's funny...'

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

Love is the only language everyone understands without translation.

The stage is my second home, every performance feels like coming home.

创新不是要成为第一个，而是要成为最好的。