读书的时候不要只想作者怎么看，想想你自己怎么看。
When you read,don't just consider what the author thinks,consider what you think.
I've learned that you shouldn't go through life with a catcher's mitt on both hands; you need to be able to throw something back.
市场失灵常常不是市场的失败，而是市场设计的失败。