君子的学问，从来不会脱离实践去空谈认识，这是必然的。

The writer must be a defender of the individual against the collective.

Prices are important not because money is considered paramount but because prices are a fast and effective conveyor of information through a vast society in which fragmented knowledge must be coordinated.

孔子说：“父母在世时，不要走远，必须远走时，一定要留下准确的地址。”

生命中最伟大的事情是保持心灵年轻。