The Tragedy of Great Power Politics by John Mearsheimer

"War is a frequent occurrence in great power politics. It is not the result of irrationality or miscalculation, but rather of the rational pursuit of self-interest in an anarchic world."

A Manual of Political Economy by Erasmus Peshine Smith

"In reading certain Economists, one might be led to think that the products of industry were not made for man, but that man was made for the products"