I've always thought the concept of "self-ownership," so loved by many libertarians, is a little screwy: Man is not a good he owns, he is himself. To the common comeback, "If you don't own yourself, then who does?" my answer has been, "No one, just like no one owns arithmetic or the night sky." But Voegelin is a little harsher:
"The history of political thought does not offer an attack on the dignity of man comparable to [Locke's] classification of the human person as a capital good, to the undisturbed economic use of which one has a natural right. The ancient division of men into freemen and natural slaves, or the modern distinction of superior and inferior races, admits at least of the dignity of a part of mankind and justifies he disregard for the rest by the argument that it consists of an inferior breed of man. But the blunt assertion that man is an instrument of economic production... is again as unique an idea as the Lord's Lunch."