Page:Principia Ethica 1922.djvu/89

Rh progress. It might be held that the ‘more evolved’ is, as a matter of fact, also better. And in such a view no fallacy is involved. But, if it is to give us any guidance as to how we ought to act in the future, it does involve a long and painful investigation of the exact points in which the superiority of the more evolved consists. We cannot assume that, because evolution is progress on the whole, therefore every point in which the more evolved differs from the less is a point in which it is better than the less. A simple consideration of the course of evolution will therefore, on this view, by no means suffice to inform us of the course we ought to pursue. We shall have to employ all the resources of a strictly ethical discussion in order to arrive at a correct valuation of the different results of evolution—to distinguish the more valuable from the less valuable, and both from those which are no better than their causes, or perhaps even worse. In fact it is difficult to see how, on this view—if all that be meant is that evolution has on the whole been a progress—the theory of evolution can give any assistance to Ethics at all. The judgment that evolution has been a progress is itself an independent ethical judgment; and even if we take it to be more certain and obvious than any of the detailed judgments upon which it must logically depend for confirmation, we certainly cannot use it as a datum from which to infer details. It is, at all events, certain that, if this had been the only relation held to exist between Evolution and Ethics, no such importance would have been attached to the bearing of Evolution on Ethics as we actually find claimed for it. (2) The view, which, as I have said, seems to be Mr Spencer’s main view, may also be held without fallacy. It may be held that the more evolved, though not itself the better, is a criterion, because a concomitant, of the better. But this view also obviously involves an exhaustive preliminary discussion of the fundamental ethical question what, after all, is better. That Mr Spencer entirely dispenses with such a discussion in support of his contention that pleasure is the sole good, I have pointed out; and that, if we attempt such a discussion, we shall arrive at no such simple result, I shall presently try to shew. If however the good is not simple, it is by no means likely that