different stages of society, we must also, I think, admit that such differences do quite often exist even among contemporaries, when they are members of very different societies; so that one and the same action may quite often be at the same time both right and wrong. And, having admitted this, we ought, I think, to go still further. Once we are convinced that real differences of feeling towards certain classes of actions, and not merely differences of opinion, do exist between men in different states of society, the probability is that when two men in the same state of society differ in opinion as to whether an action is right or wrong, this difference of opinion, though it by no means always indicates a corresponding difference of feeling, yet sometimes really is accompanied by such a difference: so that two members of the same society may really sometimes have opposite feelings towards one and the same action, whatever feeling we take. And finally, we must admit, I think, that even one and the same individual may experience such a change of feeling towards one and the same action. A man certainly does often come