The first duty of the sovereign, that of protecting the society from the violence and invasion of other independent societies, can be performed only by means of a military force.
经济学的主要创立者
亚当·斯密(Adam Smith),1723年6月5日出生在苏格兰法夫郡(County Fife)的柯卡尔迪(Kirkcaldy) ,英国经济学家、哲学家、作家,经济学的主要创立者。