改变你看待事物的方式，你看待的事物就会改变。
Change the way you look at things and the things you look at change.
The reason why men enter into society is the preservation of their property.
The power of mathematics lies in its generality and abstraction.
The truth is rarely pure and never simple.
There's nothing more American than a coal miner.
过去是一个异国他乡；他们在那里做事的方式不同。
