不只是国家有染的问题，对士而言也有受到熏染的问题。 

The reason they call it an American Dream is because you have to be asleep to believe it.

I don't let the world change my spirit.

If you're not moving forward, you're falling behind.

If everything was perfect, you would never learn and you would never grow.

在研究博弈论时，必须始终考虑其他参与者的理性。