"Experience is simply the name we give our mistakes."
La realidad no es siempre probable, o verosímil.
语出西汉·桓宽《盐铁论·申韩》。国家不愁没有法制,而是怕没有切实可行的法制。说明制定法律应能够施行。
The division of labor in manufacturing is the great principle by which we gain advantage over other nations.