如果自由有任何意义的话,那就是告诉人们他们不想听的事情的权利。
The facts of life are very simple, but the stories we tell about them are very complicated.
Train people well enough so they can leave, treat them well enough so they don't want to.
我们在自然知识中前进得越远,就越发现最普遍的定律是最简单的。