History is not just the story of the past, but a mirror to the present and a window to the future.

设计不仅仅是外观和感觉。设计在于它如何运作。

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.

做数学的艺术在于找到那个包含所有普遍性萌芽的特殊案例。

知识的最大敌人不是无知，而是知识的幻觉。