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。