人类行为的首要原则是，一个人会做他认为能满足自己欲望的事情。
It is a first principle of human action that a man does what he believes will satisfy his desires.
可持续性不是潮流，而是唯一的前进道路。
The essence of mathematics lies in its freedom.
解释：不谦让， 就会不团结; 不团结， 就不可以出师远征。
The only limit to our realization of tomorrow is our doubts of today.
脆弱啊，你的名字是女人！