人性本善，社会使其败坏。

"The best way to lead is to empower others."

没有现实的恐惧，文字便无法打动人心。

Every mathematical problem is a window into a new world of understanding.

There is a time for daring,and there is a time for caution, and a wise man understanding which is called for

食物从来不只是食物；它是文化、历史和身份。