There are no permanent trends, only permanent users.
"The day I stop improving is the day I should stop racing."
In the end, we will remember not the words of our enemies, but the silence of our friends.
出自《海国图志》。这种风气一旦开启,智慧的日头就会出现,才可以见到东海的百姓,和西海的百姓没什么区别。