sciences. How you shall subdivide and name belongs to the controversies of your schools, with which at present I am not concerned. Do not, therefore, be too critical about my terminology, even though it come from various quarters. Let us call the one division physics or metaphysics, applying both names indifferently, or indicating sections of the same thing. Let the other be ethics or the doctrine of duties or practical philosophy. At least we are agreed about the distinction meant. The former describes