Undoubtedly there are, in connection with each of these things, cases of fraud, swindling, and other financial crimes; that is to say, the greed and selfishness of men are perpetual.

Sumner is often seen as a proto-libertarian. He was a polymath with numerous books and essays on American history economic history political theory sociology and anthropology. William Graham Sumner (October 30 1840 – April 12 1910) was an American academic and "held the first professorship in sociology" at Yale College.