It was in perfect accordance with the spirit of Greek philosophy, and more particularly of Platonism, that a connecting link should be interposed between earth and heaven, the human and the divine, especially when, as at this time, the supreme creator had come to be isolated in solitary splendour from the rest of existence; but it would be a mistake to suppose that the daemons were invented for the purpose to which they were applied. We find them mentioned by Hesiod;[393] and they probably represent an even older phase of religious thought than the Olympian gods, being, in fact, a survival of that primitive psychism which peopled the whole universe with life and animation. This becomes still clearer when we consider that they are described, both under their earliest and their latest Greek form, as being, in part at least, human souls raised after death to a higher sphere of activity. Among these, Maximus Tyrius includes the demi-gods of mythology, such as Asclêpius and Heracles, who, as we have seen, were objects of particular veneration under the empire.[394] Thus daemon-worship combined three different elements or aspects of the supernaturalist movement:—the free play given to popular imagination by the decay or destruction of the aristocratic organisation of society and religion, the increasing tendency to look for a perpetuation and elevation of human existence, and the convergence of philosophical speculation with popular faith. Daemonism, however, does not fill a very great place in the creed of Plutarch; and a comparison of him with his successors shows that the saner traditions of Greek thought only gradually gave way to the rising flood of ignorance and unreason. It is true that, as a moralist, the philosopher of Chaeronea considered religion of inestimable importance to human virtue and human happiness; while, as a historian, he accepted stories of supernatural occurrences with a credulity recalling that of Livy and falling little short of Dion Cassius. Nor did his own Platonistic monotheism prevent him from extending a very generous intellectual toleration to the different forms of polytheism which he found everywhere prevailing.[395] In this respect, he and probably all the philosophers of that and the succeeding age, the Epicureans, the Sceptics, and some of the Cynics alone excepted, offer a striking contradiction to one of Gibbon’s most celebrated epigrams. To them the popular religions were not equally false but equally true, and, to a certain extent, equally useful. Where Plutarch drew the line was at what he called Deisidaimonia, the frightful mental malady which, as already mentioned, began to afflict Greece soon after the conquests of Alexander. It is generally translated superstition, but has a much narrower meaning. It expresses the beliefs and feelings of one who lives in perpetual dread of provoking supernatural vengeance, not by wrongful behaviour towards his fellow-men, nor even by intentional