每个数学问题都有一个解决方案；只是需要时间和努力去找到它。
Every mathematical problem has a solution; it just takes time and effort to find it.
The past is a shadow that follows us everywhere.
Boldness is the beginning of action， but fortune controls how it ends.
We try to buy stocks that are out of favor.
心灵是一个过程的时间模式。