The most expensive cost in free-to-play games is players' trust—once overdrawn, it can never be bought back.
下一次工业革命将由我们如何管理资源来定义。
政府开支的第一条规则:为什么只建一个,当你可以用两倍的价格建两个时?
The Langlands program is a reflection of the unity of mathematical thought.
宁静是最高的快乐。