the various affections of the human mind by touching this particular faculty in a certain manner, appear to possess the different qua|lities of amiable and odious, of virtuous and vitious, of right and wrong.
The various senses or powers of percep|tion * 1.1, from which the human mind derives all its simple ideas, were, according to this system, of two different kinds, of which the one were called the direct or antecedent, the other the reflex or consequent senses. The direct senses were those faculties from which the mind derived the perception of such species of things as did not presuppose the antecedent perception of any other. Thus sounds and colours were objects of the direct senses. To hear a sound or to see a colour does not presuppose the antecedent perception of any other quality or object. The reflex or consequent senses, on the other hand, were those faculties from which the mind de|rived the perception of such species of things as presupposed the antecedent perception of some other. Thus harmony and beauty were objects of the reflex senses. In order to per|ceive the harmony of a sound, or the beauty of a colour, we must first perceive the sound
