二十世纪的伟大斗争是自由主义与极权主义之间的斗争。

不被嘲笑的梦想，是不值得去实现的。

儿童教育是人类最重要的一个问题。

The self is not so much a substance as a process, and it is the continual task of education to change the process, to develop its activities, and to guide it into channels of efficiency.

A good book is a conversation between the author and the reader.

最大的风险是不冒任何风险。在一个快速变化的世界里，唯一注定失败的策略就是不冒险。