可持续性必须有利可图,否则它就无法持续。
每一种心理状态都是意识链条中的一环。
遇到坏事不必愁,只要有方法补救;好事来临也不必欢喜,要会承受。
人最珍贵的是生命,生命最珍贵的是对道的体悟
尽人事,听天命,心态平和最重要。  
The only thing necessary for the triumph of evil is for good men to do nothing.
In every problem, there is a hidden pattern waiting to be discovered, and it is our duty as mathematicians to uncover it.