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FORE:But what had happened once before when philosophy was taken up by men of the world, repeated itself on this occasion. Attention was diverted from speculative to ethical problems, or at least to issues lying on the borderland between speculation and practice, such as those relating to the criterion of truth and the nature of the highest good. On neither of these topics had Epicureanism a consistent answer to give, especially when subjected to the cross-examination of rival schools eager to secure Roman favour for their own doctrines. Stated under any form, the Epicurean morality could not long satisfy the conquerors of the world. To some of them it would seem a shameful dereliction of duty, to others an irksome restraint on self-indulgence, while all would be alienated by its declared contempt for the general interests of culture and ambition. Add to this that the slightest acquaintance with astronomy, as it was then taught in Hellenic countries, would be fatal to a belief in the Epicurean physics, and we shall understand that the cause for which Lucretius contended was already lost before his great poem saw the light.Nevertheless Bacon��s own attitude towards final causes differs essentially from Descartes��. The French mathematician, had he spoken his whole mind, would probably have denied their existence altogether. The English reformer fully admits their reality, as, with his Aristotelian theory of Forms, he could hardly avoid doing; and we find that he actually associates the study of final with that of formal causes, assigning both to metaphysics as its peculiar province. This being so, his comparative neglect of the former is most easily explained by the famous comparison of teleological enquiries to vestal virgins, dedicated to the service of God and bearing no offspring; for Mr. Ellis has made it perfectly clear that the barrenness alluded to is not scientific but industrial. Our knowledge is extended when we trace the workings of a divine purpose in Nature; but this is not a kind of knowledge which bears fruit in useful mechanical inventions.553 Bacon probably felt that men would not be very forward to improve on Nature if they believed in the perfection of her works and in their beneficent adaptation to our wants. The teleological spirit was as strong with him as with Aristotle, but it took a different direction. Instead of studying the adaptation of means to ends where it already existed, he wished men to create it for themselves. But the utilitarian tendency, which predominated with Bacon, was quite exceptional with Descartes. Speaking generally, he desired knowledge for its own sake, not as an instrument for the gratification of other wants; and this intellectual disinterestedness was, perhaps, another aspect of the severance effected between thought and matter.