Education requires only one: through the child's inner strength to achieve self learning.
教育所要求的只有一项：通过孩子的内在力量来达到自我的学习。
我们就是自己的恶魔，而且你我让这个世界成了自己的地狱。
行为法则可以从基本的生理原则中推导出来。
"We are all haunted by something."
The effects of policy changes are often more nuanced than simple economic models suggest.
学得越多，就越意识到自己知道的有多少。
