of literary form, it could be developed into a series of excellent historico-political essays. Certain of the propositions of the writing on _Natural Law_ (1802-3)[19] would tend to show that Hegel inclined to look upon the treatment of duties and institutions as nothing more than a provisional classification of historical and changeable material, a thought that is in any case suggested by his whole system. Schleiermacher was among the philosophers of that time who laboured, perhaps, with the greatest tenacity upon the empirical classes, with a view to reducing them to philosophical form; but the results were unhappy, only revealing, by their contradictions persisting after such efforts, the impossibility of the task. In fact, Schleiermacher sees and does not see the unity of the three spheres of things good, of duties, and of virtues; hence they appeared to him to be three aspects of the same object, and he strangely placed them in analogical connection with three spheres of the natural world, the mechanical, the chemical, and the organic. He, too, starting from a double division and a double antithesis, ideal and temporal, of knowledge and exposition (_Darstellen,_) arrived at a quadruple division of the virtues, into wisdom and love, discretion and perseverance, which seemed to him to coincide with the four Platonic virtues, of φρόνησις, δικαιοσύνη, σωφροσύνη, and ἀνδρeίa, or with the four cardinal virtues derived from them, to which would correspond the four duties: of right, of vocation, of love, and of conscience.[20] After this, it would be superfluous to proceed to enumerate the ethical systems of contemporary philosophy, noteworthy neither for the ingenuity of their artificial deductions nor for the grandeur of their paradoxes.[21] [Sidenote: _IV. Various questions._]