 But the elements from which the numbers are produced do not yet belong there as either beautiful or good; but from the combination of the one and the matter that is cause of plurality number exists, and first in these that which is and beauty appear, while next from the elements of lines geometrical substance appears, in which in the same way there is that which is and the beautiful, but in which there is nothing either ugly or bad; but at the extreme in the fourth and fifth levels which are combined from the last elements badness comes-to-be, not directly, but from inadvertence and failing to master something of that which accords with nature. 