Christian Platonism

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The Purpose of Plato’s Arguments for the Immortality of the Human Soul

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ucase-T- angelsHROUGHOUT Plato’s dialogues, and especially in the Phaedo (which describes Socrates’ final conversations), the celestial philosopher presents many logical arguments and proofs for the immortality of the human soul. He also implies that we ought to be convinced that the soul is immortal. Yet, in truth, his arguments and proofs are not fully persuasive at the logical level. Sometimes the premises of his arguments are open to question, and other times the conclusion does not automatically follow from the premises.

This has puzzled many scholars, and some have gone to great lengths to reconcile Plato’s assertion of confidence with the seemingly flawed arguments. The logical gaps are plain enough that surely even Plato sees them. So what’s going on?

I think the answer partly lies in Plato’s unique teaching method, which we might sum up in two words: dialectic and anamnesisDialectic is the term Plato uses for his general method for approaching philosophical and moral problems. Through the conversations between Socrates and other characters in the dialogues, Plato likes to approach problems methodically and analytically, often using specific techniques like division, collection or aggregation, contradiction, and so on. His real aim, however, is not by such methods to come up with a specific logical answer. In fact, we find that Plato’s dialogues often end in a condition of what is called aporia, or perplexity, in which none of the various solutions proposed seem correct or fully satisfactory.

But that is precisely Plato’s purpose. For him the real aim of dialectic is not to deduce an answer, but to focus ones attention, intentions, and Intellect on a problem. In making that strenuous mental effort, one may find that a spontaneous insight into the problem being considered arises. One catches a fleeting but definitive glimpse of some important thing, say the beauty of Moral Virtue.

This flash of insight Plato calls anamnesis. Etymologically, this means recollection or un-forgetting (an = not, amnesis = forgetting). Taken literally, it implies that the insight is not something seen for the first time, but is actually a remembering of a truth previously known.   That has implications, some perhaps controversial, concerning other aspects of Plato’s theories, which there is no need to consider here. It suffices to note that a hallmark formula for Plato is: perform dialectic to produce anamnesis.

With this principle in mind, Plato’s seemingly less-than-perfect arguments for the soul’s immortality make more sense. We wouldn’t expect him to prove by deductive logic that the soul is immortal. Rather, it is more characteristic of his modus operandi to use the outward form of a logical argument as an exercise of dialectic, the real aim being to have us see the true nature of the soul. And in doing this, we may see that the soul is divine and immortal.

Again, I present this only as a proposal or conjecture. The best or perhaps only way to verify it is to study Plato’s arguments, become engaged with them, and see if they may indeed elicit some experiential insight into the soul’s divine nature.

As noted, this view comports with Plato’s general didactic method (whereas an attempt to logically prove the soul’s immortality would not). Some corroboratory evidence comes from Plotinus, in Enneads 4.7. In this treatise, Plotinus reviews arguments for the immortality of the soul. In section 4.7.1 he says:

To know the nature of a thing we must observe it in its unalloyed state, since any addition obscures the reality. Clear, then look: or, rather, let a man first purify himself and then observe: he will not doubt his immortality when he sees himself thus entered into the pure, the Intellectual. For, what he sees is an Intellectual-Principle looking on nothing of sense, nothing of this mortality, but by its own eternity having intellection of the eternal: he will see all things in this Intellectual substance, himself having become an Intellectual Kosmos and all lightsome, illuminated by the truth streaming from The Good, which radiates truth upon all that stands within that realm of the divine. (Plotinus, Enneads 4.7.10; MacKenna translation)

This comes just after Plotinus has referred to some of Plato’s logical arguments for the soul’s immortality. Plotinus’ language is, as is often the case, a bit obscure, but it seems he is basically saying: “If you want to know without doubt that the soul is immortal, see it.” (cf. “Know Thyself”), which I take to generally support the claim I’m raising.

It also seems fitting to note a comment Cicero makes in Book 1 of the Tusculan Disputations. (The latter part of this Book is in many respects a commentary on Plato’s Phaedo.)

Even if Plato gave no reasons for his belief—see how much confidence I have in the man—he would break down my opposition by his authority alone; but he brings forward so many reasons as to make it perfectly obvious that he is not only fully persuaded himself, but desirous of convincing others. (Cicero, Tusculan Disputations 1.21; Peabody translation.)

In other words, even if his arguments are not fully convincing at the logical level, we sense the conviction of Plato in the skillful and earnest way that he presents the issue to us, and this itself is evidence that his beliefs in the soul’s immortality are correct.

I hope in future posts to list, categorize and summarize all of Plato’s arguments for the soul’s immortality, and perhaps to explore some of them in detail. It might be mentioned that the four main arguments in the Phaedo for the immortality of the soul are the cyclicity argument, the recollection argument, the affinity argument, and the Form of Life argument. A good summary of these can be found here. Other major proofs Plato presents include the self-moved mover argument of Phaedrus 245c–246a, and the vitiating principle argument of Republic 10.608e–10.611a.


A few hours after writing the above, the thought occurred — in connection with a different project — to consult Marsilio Ficino’s Platonic Theology. There I was surprised to learn that its full title is actually The Platonic Theology: On the Immortality of the Soul (Theologia Platonica De immortalitate animorum). He says much of value in the proem, for example:

Whatever subject he [Plato] deals with, be it ethics, dialectic, mathematics or physics, he quickly brings it round, in a spirit of utmost piety, to the contemplation and worship of God. He considers man’s soul to be like a mirror in which the image of the divine countenance is readily reflected; and in his eager hunt for God, as he tracks down every footprint, he everywhere turns hither and thither to the form of the soul. For he knows that this is the most important meaning of those famous words of the oracle, “Know thyself,” namely “If you wish to be able to recognize God, you must first learn to know yourself.” So anyone who reads very carefully the works of Plato that I translated in their entirety into Latin some time ago will discover among many other matters two of utmost importance: the worship of God with piety and understanding, and the divinity of souls. On these depend our whole perception of the world, the way we lead our lives, and all our happiness. (Marsilio Ficino, The Platonic Theology, proem; Allen translation)

Ficino also says that “in the sphere of moral philosophy one must purify the soul until its eye becomes unclouded and it can see the divine light and worship God,” and that it is a mistake to “divorce the study of philosophy from sacred religion.” (Ibid.)


Written by John Uebersax

June 17, 2015 at 2:06 am

Epitome of Plotinus, Ennead 1.3: On Dialectic, or the Upward Way

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Below is an epitome of Plotinus: Dialectic, or The Upward Journey, in his own words. From: The Enneads 1.3,  Stephen MacKenna (transl.), London, 1917–1930.  Plotinus identifies three methods of upward ascent or anagogy, associating these with the musician, the lover, and the thinker.  These correspond to the Platonic ascents to the Form of Goodness (God) via the Higher Forms of Moral Goodness, Beauty, and Truth, described in the Phaedrus Chariot Myth, Diotima’s Ladder of Love in the Symposium, and the Cave Allegory in Book 7 of the Republic, respectively.  These paths are not completely distinct, however.  As Plotinus notes, dialectic is relevant to all three.  The same, of course, may be said for love of Beauty, and Moral Virtue.

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OUR journey is to the Good. What art or method will bring us there? How lies the course? Is it alike for all, or is there a distinct method for each class of temperament? There are several paths; for all, there are two stages. First, is conversion from the lower life. Second, those who already gain a footprint in the upper sphere may advance still further, until they reach the topmost peak of the Noetic (pure Intellectual) realm. But discussion of this highest degree must wait. Let us here speak of the initial process of conversion. We must begin by distinguishing the three types.

  1. The musician we may think of as being exceedingly quick to beauty, drawn in a very rapture to it. All that offends unison, harmony, and measure repels him. He must be shown that what ravished him was no other than the Harmony of the Noetic universe. The truths of philosophy must be implanted in him to lead him to a faith in that which, unknowing it, he already possesses within himself.
  1. The born lover, to whose degree the musician also may attain. Spellbound by visible loveliness he clings amazed about that. His lesson must be to fall down no longer in bewildered delight before some, one embodied form; he must be led, under a system of mental discipline, to beauty everywhere and made to discern and love the One Principle underlying all.
  1. The metaphysician or thinker, winged already and not like those others, in need of disengagement, attracted to the supernal but doubting of the way, needs only a guide. He must be led to make his virtue perfect; after Mathematics he must be put through a course in Dialectic.

But this science, this Dialectic essential to all the three classes alike, — what, in sum, is it? It brings with it the power of pronouncing with final truth upon the nature and relation of things: what each is, how it differs from others, what common quality all have. Dialectic treats also of the Good and the not-Good, and of the particulars that fall under each, and of what is the Eternal and what the not Eternal; and of these, it must be understood, not by the becoming-knowledge of the senses, but with the Being-knowledge of noesis. This accomplished, it gives up its roaming amongst thoughts concerned with material things, and settles contented in the noetic realm of pure Forms. Is Dialectic, then, the same as Philosophy? It is the precious part of Philosophy. We must not think of it as the mere tool of the metaphysician: Dialectic does not consist of bare theories and rules: it deals with verities. It knows above all, the operation of ones own soul.


Written by John Uebersax

November 13, 2014 at 12:56 am

Platonism as Psychotherapy

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Portrait of Plato. Luni marble. Roman copy after a Greek original of Silanion. Inv. No. MC 1377. Rome, Capitoline Museums, Museum Montemartini.

Question: I have heard that Platonism ought to be approached as a ‘therapy of the soul’, or literally as psychotherapy? Can you explain this?

Answer: Yes. A central premise of Plato’s writings is that human beings customarily operate at a ‘fallen’ level of mental functioning. Platonism aims to correct this problem.

To avoid getting too mired in the modern medical model, we could alternatively think of this fallen state not as a disease, but as immaturity. Seen this way, Platonism’s purpose is to assist human beings in developing their full, natural capacity as intellectual, moral, and spiritual beings.

Q: What are the characteristics of this ‘fallen’ state of mental functioning?

Anxiety and worry, negative thinking, distraction, unhappiness, to name a few. The list is almost endless. A simpler way of looking at things is by analogy to attention deficit disorder (ADD): our habitual condition of mind is, relative to our ideal or intended state, what ADD is relative to our habitual state. That is, many of the same cognitive abilities that are impaired in ADD are also impaired in our ordinary fallen state — to a lesser, but still to a very serious degree.

Another analogy is to intoxication.   If one can achieve the higher level of mental function Platonism aims for, one’s ordinary state of mind may seem as one of comparative drunkenness.

But rather than list the problems of our ordinary state, which are only too evident and familiar, it is better to examine the nature of the healed, ‘saved’, or ‘redeemed’ state.

Q: What are qualities of this healed or ‘saved’ mental condition?

In answering this question we are helped considerably by the writings of humanist psychologist Abraham Maslow. Maslow noted that many people have, either through meditation or other spiritual practices, or else sometimes spontaneously in connection with love, nature, or art, certain heightened experiences. Sometimes these are very brief and intense (peak experiences), and sometimes less intense but of longer duration (plateau experiences). For details, interested readers may consult Maslow’s works (especially Maslow, 1968; 1971). It suffices here to note that peak and plateau experiences are associated with increased sensory and mental clarity, aesthetic appreciation, bliss, insight, and absence of disturbing thoughts or emotions. Maslow summarized this condition by calling it one of Being, as contrasted with our usual condition of becoming. [Note: Few people realize that these terms are explicit references to Platonism, the source of the Being–becoming distinction.]

While peak and plateau experiences are of limited duration, Maslow also noted that over time a person may become more adept at bringing them about. As they become a more common feature in one’s life a general positive transformation of personality may occur.

Maslow, however, operating in the scientific-positivistic climate of the 1950’s and 1960’s, did not sufficiently emphasize the moral or spiritual aspects of the Being state.

Q: Can you elaborate on the moral aspects?

Yes, and this is very important. There is an unfortunate tendency today to confuse morality with moralism. The latter is a rigid frame of mind which seeks to conform all behavior to fixed rules, largely proscriptive (“thou shalt not…”). This legalistic approach does little to develop ones innate moral sense. Rather, it is often yet another manifestation of the fallen condition of the mind.

Morality is something different, something positive. It affirms that human beings are designed to be moral; and that moral actions and virtue come naturally and instinctively, and are essential to ones happiness, well-being, and integrity of personality.

Platonism sees an integral connection between intellectual and moral life. Moral development comes from intellectual or illuminative insights into ones own nature. Platonism seeks to cultivate the life of ones higher mind, the source of these intellectual and moral insights. This has two components, the purgative and the illuminative. The purgative part of Platonism seeks to correct our habitual forms of negative thought and emotions, which impair our ability to consult our higher mind. The illuminative part is concerned with actually accessing the higher mind.

Q: And the spiritual aspect?

The spiritual aspect of Platonism is what some writers call the unitive life. It is, of course, something understood by experience, not description. However certain leading principles of this state can be noted.

In general, we could describe this state as a form of humility, in which the ego no longer seeks to be ruler of ones psyche, but rather is content in the role of helper to something greater than itself. Now as to what this other entity is, opinions vary. The traditional view, of course, is that it is God. Some, however, such as Jungian psychologists, understand this other as a higher self or Self. To some extent this distinction doesn’t matter — provided that the ego has sufficient respect for this ‘other’ that it relates to it as something holy and sacred. The proper relationship of the ego to this entity, whatever it is, is one of piety and trust.

In this way a person is no longer constrained by the limitations of egoistic over-control, and the various forms of mischief the ego can create. One is more creative and spontaneous, and, in a word, more happy. Various names given to this condition are self-actualization, self-realization, and individuation.

Another way of seeing things is that Platonism is a form of yoga. Etymologically, the word yoga is related to the word yoke. It refers to establishing an ongoing connection or yoke between the ego and this higher ‘thing’ which is God or a higher Self. Note that the word religion has the same meaning of re-connection, as the stem ligio means to connect or bind, and is related to the word ligament.

So we see that, despite certain differences, Platonism, yoga, and traditional religion all aim to restore a kind of natural state or harmony of soul in which the ego finds its proper role. All of these traditions express a kind of instinctive knowledge human beings have that their ordinary state, where the ego is out of control, is unnatural, but can be corrected.

Q: What then is the relationship between Platonism and religion?

Platonism overlaps with that part of traditional religion concerned with Wisdom. Wisdom is an important part of religion, but it is not the only part.

Nevertheless, Platonism complements and may enhance ones experience as a Christian, Jew, Muslim, Hindu, Buddhist, etc. Many of the greatest Christian thinkers throughout the centuries were also Platonists — for example St. Augustine and St. Thomas Aquinas in the West, and St. Gregory of Nyssa and St. Maximus Confessor in the East. Traditionally, Greek philosophy has been called the handmaid of theology, and this is an apt description of Platonism.

Q: Is Platonism for everybody?

Each person is a unique individual, with their own preferred ‘yoga’. For some a yoga of the heart (e.g., charity and service) is best; for others a yoga of Wisdom such as Platonism is more suitable. In general Platonism will appeal most to people who already have a strong intellectual inclination. It is my observation that in modern times people are overall becoming more intellectual, so that Platonism may have broader appeal today than in earlier centuries.

Q: Very well. How does one go about learning Platonism?

First you should know that most of what is written about Platonism, especially in modern times, is of dubious value. Modern philosophers, generally speaking, no longer understand philosophy as a form of psychotherapy, but see it only as an arena for abstract speculation, controversy, and other forms of self-aggrandizement.

For this and other reasons, there is no substitute for reading Plato’s own works. This is made easier by the fact that Plato was great literary genius as well as a philosopher. Once you get accustomed to them, Plato’s dialogues are very easy and enjoyable to read.

I would recommend starting with one or two of Plato’s early dialogues, such as Charmides or Lysis. These make for pleasant reading and, while they are not his greatest works, help one get a ‘feel’ for Plato.

Eventually one will want to work up to his more significant works: Phaedrus, Symposium, Phaedo, and of course what is perhaps his greatest, The Republic.

After reading one or two of his dialogues, you might want to read some of the myths which Plato placed in several of his works. This may help give you an appreciation of Plato’s mystical and intuitive side, which complements the more analytical style found in his prose.

Not all translations of Plato’s works are of equal value. While some modern translations are excellent, others are not. I generally find older translations, especially those of Benjamin Jowett, and those the Loeb Classical Library, more than satisfactory. The Jowett translations, all in the public domain, can be readily be found online. Many of the Loeb editions are also in the public domain and can be found at

I have also provided short explanations of certain key terms found in Plato’s works which may assist you.

Related:  Reading Plato’s Republic as Psychology



Cushman, Robert Earl. Therapeia: Plato’s Conception of Philosophy. 2nd ed. Westport, CT, 1976.

Maslow, Abraham H. Toward a Psychology of Being, 2nd edition. New York: Van Nostrand, 1968.

Maslow, Abraham H. The Farther Reaches of Human Nature. New York: Viking, 1971.