Before revision: G. F. W. Hegel wrote in his Elements of the Philosophy of Right (in the part in which he introduced the concept of the sphere of abstract right) that "duty is not a restriction on freedom, but only on freedom in the abstract" and that "duty is the attainment of our essence, the winning of positive freedom.George Klosko, History of Political Theory: An Introduction: Volume II: Modern (2nd ed.
After revision: G. W.F Hegel wrote in his Elements of the Philosophy of Right (in the part in which he introduced the concept of the sphere of abstract right) that "duty is not a restriction on freedom, but only on freedom in the abstract" and that "duty is the attainment of our essence, the winning of positive freedom.George Klosko, History of Political Theory: An Introduction: Volume II: Modern (2nd ed.