The personal example of a teacher is the most useful sunshine that nothing can replace for the soul of young people.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
好的设计是隐形的;只有当它不好时你才会注意到。
这就是人类第一个划时代的变革,人类建立了家庭,形成了某种形式的私有制,也给自己带来了无穷无尽的争吵和冲突。
The true history of the world is the history of great men.