Until the days of Copernicus and Galileo everybody believed that the sun revolved about the
earth. Was not everybody mistaken? What is more ancient and more universal than slavery?
Cannibalism perhaps. From the origin of historic society down to the present day there has been
always and everywhere exploitation of the compulsory labor of the masses - slaves, serfs, or
wage-workers - by some dominant minority; oppression of the people by the Church and by the
State. Must i ...