Innovation is not about doing something completely new, but about doing it better than anyone else.

城市是人类最伟大的发明。

The problem isn't that Johnny can't read. The problem isn't even that Johnny can't think. The problem is that Johnny doesn't know what thinking is; he confuses it with feeling.

世界的历史不过是自由观念的发展史。

天空才是极限。

市场组合是所有投资者都应持有的唯一风险组合。