The market is a pendulum that forever swings between unsustainable optimism (which makes stocks too expensive) and unjustified pessimism (which makes them too cheap). The intelligent investor is a realist who sells to optimists and buys from pessimists.

Abstraction is the key to managing complexity in software systems.

一个女人能为她的孩子做的最重要的事情就是爱他们的父亲。

唯一真正重要的是作品是否能打动你。