可持续性不是一种趋势;这是我们对后代的责任。
将决策交给那些对决策错误并不承担任何代价的人——很难想象出一个比这样做更加愚蠢和危险的做法了。
The duty of man is the same in respect to his own nature as in respect to the nature of all other things.
I don’t look back, I keep moving forward.
最好的故事是那些在我们读完很久之后仍萦绕在心头的故事。
系统产生需求的速度比满足需求的速度更快。
Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.