你无法回到过去改变开头，但可以从现在开始改变结局。
"You can't go back and change the beginning, but you can start where you are and change the ending."
The most important part of teaching is to teach what it is to know.
社会结构因此被定义为实际存在的社会关系的总网络。
一个组织的韧性质量决定了其恢复的质量。
I think that the role of the mathematician is to discover these patterns and to explain them.
Any woman who understands the problems of running a home will be nearer to understanding the problems of running a country.