still confused with Galen's a ethereal or psychic spirits,
used by the mystic to explain the nature of being. the modern distinction between mind and matter, soul and body, had not become clear . The 'soul' , the 'animal spirits' and similar concepts were regarded as 'vapours' or 'emanations', thing to us material . A unity was thus maintained by most men except Descartes, who was the first to see an essential difference between inert matter and the thinking mind. The usual line seems to have been drawn between solids and liquids on one side, and air, fire, aether and spirit on the other. Also nearly all men of science and philosophers in the middle of the seventeenth century looked on the world from the Christian standpoint; the idea of antagonism between religion and science is of a later date. Even Hobbes, who was philosophic materialist and defined religion as 'accepted superstition' agreed that it should be established and enforced by the State . Hobbes was exceptional; almost all men adopted the fundamental theisticbelief, to which, they thought, any theory of the cosmos to be true must conform