树林里分出两条路，而我选择了人迹罕至的那条，这决定了一切。

A nation that destroys its soils destroys itself.

"You can't win if you don't play."

不要去跟随已经有的道路，去探索没有被开拓的新道路，留下自己的足迹。

布莱克-斯科尔斯公式的美妙之处在于它仅依赖于一个不可观测的参数，即股票的波动率。

One is the happiest thing is that somebody loves you.When you are at my time， I absent-minded，When I come to you， when you have gone.We are always in a meeting to miss， losing a lot of.However， I want to say this is because we are still young.No， perhaps this is our life.From then on， I always looked back the road.