适应性是在不断变化的市场中生存的关键。
君主所凭借着驱使臣下的,只有尚贤一种方法;臣下用来侍奉君主的,也只有仁义一条途径。 
怪物是真的,鬼魂也是。它们住在我们心里,有时,它们会赢。
The Government of the United States is a definite Government, confined to specified objects. It is not like the state governments, whose powers are more general.