社会结构因此被定义为实际存在的社会关系的总网络。
活着就是不断被生活所惊讶。
处置效应是行为金融学中最稳健的现象之一,投资者倾向于过早卖出赢家,而过久持有输家。
In the long run, the greatest weapon of mass destruction is stupidity.
Nothing can stop the man with the right mental attitude from achieving his goal; nothing on earth can help the man with the wrong mental attitude.