他们的服饰不同,他们的行为确是一样的。 
The division of labor in manufacturing is the great principle by which we gain advantage over other nations.
The science of government it is my duty to study, more than all other sciences; the arts of legislation and administration and negotiation ought to take the place of, indeed exclude, in a manner, all other arts.
世界是一本书,不旅行的人只读了一页。