学得越多，就越意识到自己知道的有多少。

正所谓“物以类聚，人以群分”，自己处在什么样的圈子里，自己一定有这个圈子的特点。自身的荣辱祸福都是由自己的行为决定的。比如，两堆柴火堆放的样子差不多，但是火星总是容易在干的那一堆里着起火。很多时候我们抱怨别人和不顺心的事，然而往往是自身的问题。

The brain's ability to adapt and rewire itself is one of the most fascinating aspects of neuroscience.

At twenty-one, I was a divorced single mother. At thirty, I was struggling to feed my children. At forty, I was starting over in a new country. At fifty, I was rebuilding my career. At sixty, I walked the runway at Fashion Week. Life begins at every age—if you dare to make a plan.