Diversification is the only free lunch in investing.

Because philosophy arises from awe, a philosopher is bound in his way to be a lover of myths and poetic fables.

对于行善，没有别人和自己的区分，抛弃自己的不对，接受人家对的，非常快乐地吸取别人的优点来做好事。

波函数不是描述单个系统，而是描述系统的集合。