PLOTINOS ADDS TO ESSENCE ETERNITY, TO MAKE ESSENCE INTELLIGIBLE.
As we are going to treat of essence or essences, we must before everything else clear up the significance of essence, which we are now considering, and distinguish it from what other people mean by that word, which we would more likely call that which becomes, what is never genuine essence. And besides, it must be clearly understood that in making this distinction, we do not intend to divide a genus in species of the same nature; as Plato tried to do.[299] For it would be ridiculous to subsume under the same genus both essence and non-essence, or Socrates, and the image of Socrates. The kind of divisions here attempted will therefore only consist in separating things essentially different, as, for instance, explaining that apparent essence is not the same as the veritable Essence, by demonstrating that the latter's nature is entirely different. To clarify this its nature, it will be necessary to add to the idea of essence that of eternity, and thus to demonstrate that the nature of being could never be deceptive. It is of this kind of essence (that is, of the intelligible Essence), that we are going to treat, admitting that it is not single. Later[300] we shall speak of generation, of what becomes, and of the sense-world.