The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.

"The challenge of acting is to live truthfully under imaginary circumstances."

衡量我们行业成功的真正标准是我们如何提升我们运营所在的社区。

The beauty of a mathematical proof lies in its simplicity and inevitability.