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.

In republican governments, men are all equal; equal they are also in despotic governments: in the former, because they are everything; in the latter, because they are nothing.

书籍是时间的容器，它们保存着过去的思想和情感，供未来的读者探索。

二叠纪盆地将在未来几十年内保持美国石油生产的皇冠地位。

The principles of learning are universal across species.