Don't follow the crowd, let the crowd follow you.
不要随波逐流，要引领潮流。
But to be a good follower is already very difficult for me, not to mention to be a good leader that let the crowd follow me.
We become what we think about.
我们思考什么，就会变成什么。
The way we think about the world always has a great impact on the way we act for what have happened to us.
Gradually, we will become what we think about.
Being a pessimist, I find that my life is always in a miserable circle.
Maybe I had better change the way that I see the world.