Systems have sub-systems and sub-systems have sub- systems and so on ad infinitum - which is why we're always starting over.
系统有子系统，子系统有子系统，等等，这是无限的，这就是为什么我们总是从头开始。
We are all connected by the stories we tell.
学习数学的最好方法就是做数学。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
Sustainability isn't a trend—it's the future of dairy farming.
