你停止尝试的那一刻就是你停止学习的那一刻。
The moment you stop trying is the moment you stop learning.
The web is the most powerful tool we have for creating a more equal society.
I'm not a businessman, I'm a business, man!
科学要求一个人付出他的一生。
贫穷并不等于缺乏意志力，而是缺乏选择。