Let us return from this digression to the other parts of nature. The stars which are described as fixed in the heavens[132], are not, as the vulgar suppose, attached each of them to different individuals[133], the brighter to the rich, those that are less so to the poor, and the dim to the aged, shining according to the lot of the individual, and separately assigned to mortals; for they have neither come into existence, nor do they perish in connexion with particular persons, nor does a falling star indicate that any one is dead. We are not so closely connected with the heavens as that the shining of the stars is affected by our death[134]. When they are supposed to shoot or fall[135], they throw out, by the force of their fire, as if from an excess of nutriment, the superabundance of the humour which they have absorbed, as we observe to take place from the oil in our lamps, when they are burning[136]. The nature of the celestial bodies is eternal, being interwoven, as it were, with the world, and, by this union, rendering it solid; but they exert their most powerful influence on the earth. This, notwithstanding its subtilty, may be known by the clearness and the magnitude of the effect, as we shall point out in the proper place[137]. The account of the circles of the heavens will be better understood when we come to speak of the earth, since they have all a reference to it; except what has been discovered respecting the Zodiac, which I shall now detail. Anaximander the Milesian, in the 58th olympiad[138], is said to have been the first who understood its obliquity, and thus opened the road to a correct knowledge of the subject[139]. Afterwards Cleostratus made the signs in it, first marking those of Aries and Sagittarius; Atlas had formed the sphere long before this time[140]. But now, leaving the further consideration of this subject, we must treat of the bodies that are situated between the earth and the heavens[141].