Enneads VI.9: Of the Good and the One
Being a Primary Cause, Unity Is Nothing Contingent
Nor let anybody object that something contingent is attributed to Unity when we call it the primary cause. It is to ourselves that we are then attributing contingency, since it is we who are receiving something from Unity, while Unity remains within itself.
UNITY CANNOT BE DEFINED; WE CAN ONLY REFER TO IT BY OUR FEELINGS OF IT.
Speaking strictly, we should say that the One is this or that (that is, we should not apply any name to it). We can do no more than turn around it, so to speak, trying to express what we feel (in regard to it); for at times we approach Unity, and at times withdraw from it as a result of our uncertainty about it.
WE CANNOT COMPREHEND UNITY, WHICH WE APPROACH ONLY BY A PRESENCE.
4. The principal cause of our uncertainty is that our comprehension of the One comes to us neither by scientific knowledge, nor by thought, as the knowledge of other intelligible things, but by a presence which is superior to science. When the soul acquires the scientific knowledge of something, she withdraws from unity and ceases being entirely one; for science implies discursive reason and discursive reason implies manifoldness. (To attain Unity) we must therefore rise above science, and never withdraw from what is essentially One; we must therefore renounce science, the objects of science, and every other right (except that of the One); even to that of beauty; for beauty is posterior to unity, and is derived therefrom, as the day-light comes from the sun. That is why Plato says of (Unity) that it is unspeakable and undescribable. Nevertheless we speak of it, we write about it, but only to excite our souls by our discussions, and to direct them towards this divine spectacle, just as one might point out the road to somebody who desired to see some object. Instruction, indeed, goes as far as showing the road, and guiding us in the way; but to obtain the vision (of the divinity), is the work suitable to him who has desired to obtain it.
THOSE WHO SEE GOD WITHOUT EMOTION HAVE FAILED TO RID THEMSELVES OF PHYSICAL HINDRANCES, AND HAVE NOT BECOME UNIFIED.
If your soul does not succeed in enjoying this spectacle, if she does not have the intuition of the divine light, if she remains cold and does not, within herself, feel a rapture such as that of a lover who sees the beloved object, and who rests within it, a rapture felt by him who has seen the true light, and whose soul has been overwhelmed with brilliance on approaching this light, then you have tried to rise to the divinity without having freed yourself from the hindrances which arrest your progress, and hinder your contemplation. You did not rise alone, and you retained within yourself something that separated you from Him; or rather, you were not yet unified. Though He be absent from all beings, He is absent from none, so that He is present (to all) without being present (to them). He is present only for those who are able to receive Him, and who are prepared for Him, and who are capable of harmonizing themselves with Him, to reach Him, and as it were to touch Him by virtue of the conformity they have with Him, and also by virtue of an innate power analogous to that which flows from Him, when at last their souls find themselves in the state where they were after having communicated with Him; then they can see Him so far as his nature is visible. I repeat: if you have not yet risen so far, the conclusion must be that you are still at a distance from Him, either by the obstacles of which we spoke above, or by the lack of such instruction as would have taught you the road to follow, and which would have imbued you with faith in things divine. In any case, you have no fault to find with any but yourself; for, to be alone, all you need to do is to detach yourself from everything. Lack of faith in arguments about it may be remedied by the following considerations.
HOW SUCH AS RISE AS FAR AS THE SOUL MAY ACHIEVE FAITH IN THE INTELLIGIBLE.
5. Such as imagine that beings are governed by luck or chance, and that they depend on material causes are far removed from the divinity, and from the conception of unity. It is not such men that we are addressing, but such as admit the existence of a nature different from the corporeal one, and who at least rise (to an acknowledgment of the existence of) the Soul. These should apply themselves to the study of the nature of the soul, learning, among other truths, that she proceeds from Intelligence, and that she can achieve virtue by participating in Intelligence through reason. They must then acknowledge the existence of an Intelligence superior to the intelligence that reasons, namely, to discursive reason. They must (also realize) that reasonings imply an interval (between notions), and a movement (by which the soul bridges this interval). They must be brought to see that scientific knowledge consists also of reasons of the same nature (namely, rational notions), reasons suitable to the soul, but which have become clear, because the soul has received the succession of intelligence which is the source of scientific knowledge. By intelligence (which belongs to her), the soul sees the divine Intellect, which to it seems sensual, in this sense that it is perceptible by intelligence, which dominates the soul, and is her father; that is, the intelligible world, a calm intellect which vibrates without issuing from its tranquility, which contains everything, and which is all. It is both definite and indefinite manifoldness, for the ideas it contains are not distinct like the reasons (the rational notions), which are conceived one by one. Nevertheless, they do not become confused. Each of them becomes distinct from the others, just as in a science all the notions, though forming an indivisible whole, yet each has its own separate individual existence. This multitude of ideas taken together constitutes the intelligible world. This is the (entity) nearest to the First. Its existence is inevitably demonstrated by reason, as much as the necessity of the existence of the Soul herself; but though the intelligible world is something superior to the Soul, it is nevertheless not yet the First, because it is neither one, nor simple, while the one, the principle of all beings, is perfectly simple.