The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends， and the other begins？

Materials themselves are not important; what matters is how you use them.

教育者的心必须是一团活生生的火焰，是温暖和光明的源泉。

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

人性的弱点总是充满贪婪、恐惧或者是愚蠢，这是完全可以预测的，但是我们无法预测这种人性弱点的发生顺序。