TWO:Still Plotinus gives no clear answer to the question whence comes this last and lowest Matter. He will not say that it is an emanation from the Soul, nor yet will he say that it is a formless residue of the element out of which she was shaped by a return to the Nous. In truth, he could not make up his mind as to whether the Matter of sensible objects was created at all. He oscillates between unwillingness to admit that absolute evil can come from good, and unwillingness to admit that the two are co-ordinate principles of existence. And, as usual, where ideas fail him, he helps himself out of the difficulty with metaphors. The Soul must advance, and in order to advance she must make a place for herself, and that there may be a place there must be body. Or, again, while remaining fixed in herself, she sends out a great light, and by the light she sees that there is darkness beyond its extreme verge, and moulds its formless substance into shape.489The Epicurean cosmology need not delay us long. It is completely independent of the atomic theory, which had only been introduced to explain the indestructibility of matter, and, later on, the mechanism of sensation. In describing how the world was first formed, Epicurus falls back on the old Ionian meteorology. He assumes the existence of matter in different states of diffusion, and segregates fluid from solid, light from heavy, hot from cold, by the familiar device of a rapid vortical movement.168 For the rest, as we have already noticed, Epicurus gives an impartial welcome to the most conflicting theories of his predecessors, provided only that they dispense with the aid of supernatural intervention; as will87 be seen by the following summary, which we quote from Zeller:
