as means to the creation of time. And God kindled the light of the sun in order that the number of the seasons might be definite and in order that animals might possess number. The moon is in the circle immediately above the earth, and the sun in that which is next beyond that, and in the circles above come the planets. Further, the universe is an animate being, for it is bound fast in animate movement.* And in order that the universe which had been created in the likeness of the intelligible living creature might be rendered complete, the nature of all other animals was created. Since then its pattern possesses them, the universe also ought to have them. And thus it contains gods for the most part of a fiery nature ; of the rest there are three kinds, winged, aquatic and terrestrial.’ And of all the gods in heaven the earth is the oldest. And it was fashioned to make night and day. And being at the centre it moves round the centre. And since there are two causes, it must be affirmed, he says, that some things are due to reason and others have a necessary cause,? the latter being air, fire, earth and water, which are not exactly elements but rather recipients of form. They are composed of triangles, and are resolved into triangles. The scalene triangle and the isosceles triangle are their constituent elements. The principles, then, and causes assumed are the two above mentioned, of which God and matter are the exemplar. Matter is of necessity formless like the other recipients of form. Of all these there is a necessary cause. For it somehow or other receives the ideas and so generates substances, and it moves because its power is not uniform, and, being in