Problems frequently get easier if you turn them around in reverse. In other words, if you want to help India, the question you should ask is not “how can I help India,” it’s “what is doing the worst damage in India? What will automatically do the worst damage and how do I avoid it?”

最好的投资是那些能够建立伟大公司的人，而不仅仅是想法。

A really well-made buttonhole is the only link between Art and Nature.

数学的目标是使简单的复杂化，使复杂的简单化。