Harrington's elusive balance

The revival of interest in James Harrington's political theory which has occurred in recent years has not led to a resolution of the puzzle about his Agrarian Law. That puzzle requires unfolding how Harrington expected that the Agrarian would achieve his ambitions for a stable commonwealth. This paper suggests one explanation of the difficulties encountered, by focusing on ambiguities in Harrington's terminology and on inadequacies in his method.