A social system is a network of relations between persons and between groups.
社会系统是个人与个人之间、群体与群体之间关系的网络。
"The key to discovery is not just in the answers we find, but in the questions we dare to ask."
The truth is, I don't know what I'm doing half the time, but I do it with confidence.
I guess it comes down to a simple choice:get busy living or get busy dying.