I have always believed that the way to make money is to buy when everyone else is selling and to sell when everyone else is buying.
永远要问:我们怎样才能做得更好?然后付诸行动。
劳动分工在尽可能程度上引入,在每一门艺术中都会导致劳动生产力的相应增加。
成功的方法是加倍你的失败率。