(2) There are certain criteria common to men, as the senses; and others that belong to those who have employed their wills and energies in what is true, -the methods which are pursued by the mind and reason, to distinguish between true and false propositions.

(16) For I assert that these two things must be attended to by the man who would demonstrate - to assume true premisses, and to draw from them the legitimate conclusion, which some also call "the inference," as being what is inferred from the premisses.

(3) Then it is to be inquired whether the proposition belongs to those points, which are considered in relation to others, or is taken by itself. Further, If it is, what it is, what happens to it; or thus, also, if it is, what it is, why it is. And to the consideration of these points, the knowledge of Particulars and Universals, and the Antecedents and the Differences, and their divisions, contribute.

(17) Now in each proposition respecting a question there must be different premisses, related, however, to the proposition laid down; and what is advanced must be reduced to definition. And this definition must be admitted by all. But when premisses irrelevant to the proposition to be established are assumed, it is impossible to arrive at any right result; the entire proposition - which is also called the question of its nature - being ignored.

(8) But, we need not record in memory all we see; mere incidental concomitants need not occupy the imagination; when things vividly present to intuition, or knowledge, happen to occur in concrete form, it is not necessary- unless for purposes of a strictly practical administration- to pass over that direct acquaintance, and fasten upon the partial sense-presentation, which is already known in the larger knowledge, that of the Universe.

I will take this point by point:

First: it is not essential that everything seen should be laid up in the mind; for when the object is of no importance, or of no personal concern, the sensitive faculty, stimulated by the differences in the objects present to vision, acts without accompaniment of the will, and is alone in entertaining the impression. The soul does not take into its deeper recesses such differences as do not meet any of its needs, or serve any of its purposes. Above all, when the soul's act is directed towards another order, it must utterly reject the memory of such things, things over and done with now, and not even taken into knowledge when they were present.

On the second point: circumstances, purely accidental, need not be present to the imaging faculty, and if they do so appear they need not be retained or even observed, and in fact the impression of any such circumstance does not entail awareness. Thus in local movement, if there is no particular importance to us in the fact that we pass through first this and then that portion of air, or that we proceed from some particular point, we do not take notice, or even know it as we walk. Similarly, if it were of no importance to us to accomplish any given journey, mere movement in the air being the main concern, we would not trouble to ask at what particular point of place we were, or what distance we had traversed; if we have to observe only the act of movement and not its duration, nothing to do which obliges us to think of time, the minutes are not recorded in our minds.

And finally, it is of common knowledge that, when the understanding is possessed of the entire act undertaken and has no reason to foresee any departure from the normal, it will no longer observe the detail; in a process unfailingly repeated without variation, attention to the unvarying detail is idleness.

So it is with the stars. They pass from point to point, but they move on their own affairs and not for the sake of traversing the space they actually cover; the vision of the things that appear on the way, the journey by, nothing of this is their concern: their passing this or that is of accident not of essence, and their intention is to greater objects: moreover each of them journeys, unchangeably, the same unchanging way; and again, there is no question to them of the time they spend in any given section of the journey, even supposing time division to be possible in the case. All this granted, nothing makes it necessary that they should have any memory of places or times traversed. Besides this life of the ensouled stars is one identical thing so that their very spatial movement is pivoted upon identity and resolves itself into a movement not spatial but vital, the movement of a single living being whose act is directed to itself, a being which to anything outside is at rest, but is in movement by dint of the inner life it possesses, the eternal life. Or we may take the comparison of the movement of the heavenly bodies to a choral dance; if we think of it as a dance which comes to rest at some given period, the entire dance, accomplished from beginning to end, will be perfect while at each partial stage it was imperfect: but if the dance is a thing of eternity, it is in eternal perfection. And if it is in eternal perfection, it has no points of time and place at which it will achieve perfection; it will, therefore, have no concern about attaining to any such points: it will, therefore, make no measurements of time or place; it will have, therefore, no memory of time and place.

If the stars live a blessed life in their vision of the life inherent in their souls, and if, by force of their souls' tendency to become one, and by the light they cast from themselves upon the entire heavens, they are like the strings of a lyre which, being struck in tune, sing a melody in some natural scale... if this is the way the heavens, as one, are moved, and the component parts in their relation to the whole- the sidereal system moving as one, and each part in its own way, to the same purpose, though each, too, hold its own place- then our doctrine is all the more surely established; the life of the heavenly bodies is the more clearly an unbroken unity.

(2) Now, not only demonstration and belief and knowledge, but foreknowledge also, are used in a twofold manner. There is that which is scientific and certain, and that which is merely based on hope.

(2) Hence this truth has nothing peculiar, or divine, or superior to common nature. But the truth of divination is established in energy with invariable sameness, has the whole knowledge of beings present with it, and is connascent with the essence of things. It likewise employs stable reasons, and perfectly, aptly, and definitely knows all things. This truth, therefore, is adapted to divination. Hence, it is very far from being a certain natural prescience, such as the preperception which is inherent in some animals of earthquakes and rain. For this arises from sympathy, when certain animals are moved in conjunction with certain parts and powers of the universe; or when, through the acuteness of a certain sense, they antecedently perceive things which happen in the air, before they accede to places about the earth.

(8) The precept, however, which is of the greatest efficacy of all others to the attainment of fortitude, is that which has for its most principal scope the being defended and liberated from those bonds which detain the intellect in captivity from infancy, and without which no one can learn or perceive any thing sane or true, through whatever sense he may energize. For according to the Pythagoreans,

(2) Suppose the Pyrrhonian suspense of judgment, as they say, [the idea] that nothing is certain: it is plain that, beginning with itself, it first invalidates itself. It either grants that something is true, that you are not to suspend your judgment on all things; or it persists in saying that there is nothing true. And it is evident, that first it will not be true. For it either affirms what is true or it does not affirm what is true. But if it affirms what is true, it concedes, though unwillingly, that something is true. And if it does not affirm what is true, it leaves true what it wished to do away with. For, in so far as the scepticism which demolishes is proved false, in so far the positions which are being demolished, are proved true; like the dream which says that all dreams are false. For in confuting itself, it is confirmatory of the others.

(13) If, then, one begins with the things which are evident to sensation and understanding, and then draw the proper conclusion, he truly demonstrates. But if [he begin] with things which are only probable and not primary, that is evident neither to sense nor understanding, and if he draw the right conclusion, he will syllogize indeed, but not produce a scientific demonstration; but if [he draw] not the right conclusion, he will not syllogize at all.

(100) Even though a speech be a thousand (of words), but made up of senseless words, one word of sense is better, which if a man hears, he becomes quiet.

(2) But if perception does not go by impression, what is the process?

The mind affirms something not contained within it: this is precisely the characteristic of a power- not to accept impression but, within its allotted sphere, to act.

Besides, the very condition of the mind being able to exercise discrimination upon what it is to see and hear is not, of course, that these objects be equally impressions made upon it; on the contrary, there must be no impressions, nothing to which the mind is passive; there can be only acts of that in which the objects become known.

Our tendency is to think of any of the faculties as unable to know its appropriate object by its own uncompelled act; to us it seems to submit to its environment rather than simply to perceive it, though in reality it is the master, not the victim.

As with sight, so with hearing. It is the air which takes the impression, a kind of articulated stroke which may be compared to letters traced upon it by the object causing the sound; but it belongs to the faculty, and the soul-essence, to read the imprints thus appearing before it, as they reach the point at which they become matter of its knowledge.

In taste and smell also we distinguish between the impressions received and the sensations and judgements; these last are mental acts, and belong to an order apart from the experiences upon which they are exercised.

The knowing of the things belonging to the Intellectual is not in any such degree attended by impact or impression: they come forward, on the contrary, as from within, unlike the sense-objects known as from without: they have more emphatically the character of acts; they are acts in the stricter sense, for their origin is in the soul, and every concept of this Intellectual order is the soul about its Act.

Whether, in this self-vision, the soul is a duality and views itself as from the outside- while seeing the Intellectual-Principal as a unity, and itself with the Intellectual-Principle as a unity- this question is investigated elsewhere.

(33) By holding one-pointedly to that train of thought, the belief that they are real is dissipated; and, that being impressed upon the inner continuity [of consciousness], one turneth backwards: if the knowledge of the unreality be impressed deeply in that way, the womb-door will be closed.

(69) Yet in what quality soever thou excitest or awakenest the spirit, and makest it operative or qualifying, according to that same quality the thoughts rise up, and govern the mind.

(3) Now we assert that knowledge (gnosis) differs from the wisdom (sofia), which is the result of teaching. For as far as anything is knowledge, so far is it certainly wisdom; but in as far as aught is wisdom, it is not certainly knowledge. For the term wisdom appears only in the knowledge of the uttered word.

(51) To the wise, whose hearts are enlightened, The mere sound of that voice proves its truth." "When you say to a thirsty man, 'Come quickly; This is water in the cup, take and drink it,' Does the thirsty man say, 'This is a vain pretension; Go, remove yourself from me, O vain pretender, Or proceed to give proofs and evidence That this is generic water, and concrete water thereof'? Or when a mother cries to her sucking babe,

(10) Let us now pass on to a consideration of the operation of the Principle on the Mental Plane. Many interesting features are there awaiting examination.

(2) So sense and thought both flow together into man, as though they were entwined with one another. For neither without sensing can one think, nor without thinking sense. But it is possible [they say] to think a thing apart from sense, as those who fancy sights in dreams. But unto me it seems that both of these activities occur in dream-sight, and sense doth pass out of the sleeping to the waking state. For man is separated into soul and body, and only when the two sides of his sense agree together, does utterance of its thought conceived by mind take place.

(6) Action, thus, is set towards contemplation and an object of contemplation, so that even those whose life is in doing have seeing as their object; what they have not been able to achieve by the direct path, they hope to come at by the circuit.

Further: suppose they succeed; they desired a certain thing to come about, not in order to be unaware of it but to know it, to see it present before the mind: their success is the laying up of a vision. We act for the sake of some good; this means not for something to remain outside ourselves, not in order that we possess nothing but that we may hold the good of the action. And hold it, where? Where but in the mind?

Thus once more, action is brought back to contemplation: for Soul is a Reason-Principle and anything that one lays up in the Soul can be no other than a Reason-Principle, a silent thing, the more certainly such a principle as the impression made is the deeper.

This vision achieved, the acting instinct pauses; the mind is satisfied and seeks nothing further; the contemplation, in one so conditioned, remains absorbed within as having acquired certainty to rest upon. The brighter the certainty, the more tranquil is the contemplation as having acquired the more perfect unity; and- for now we come to the serious treatment of the subject-

In proportion to the truth with which the knowing faculty knows, it comes to identification with the object of its knowledge.

As long as duality persists, the two lie apart, parallel as it were to each other; there is a pair in which the two elements remain strange to one another, as when Ideal-Principles laid up in the mind or Soul remain idle.

Hence the Idea must not be left to lie outside but must be made one identical thing with the soul of the novice so that he finds it really his own.

The Soul, once domiciled within that Idea and brought to likeness with it, becomes productive, active; what it always held by its primary nature it now grasps with knowledge and applies in deed, so becoming, as it were, a new thing and, informed as it now is by the purely intellectual, it sees as a stranger looking upon a strange world. It was, no doubt, essentially a Reason-Principle, even an Intellectual Principle; but its function is to see a realm which these do not see.

For, it is a not a complete thing: it has a lack; it is incomplete in regard to its Prior; yet it, also, has a tranquil vision of what it produces. What it has once brought into being it produces no more, for all its productiveness is determined by this lack: it produces for the purpose of Contemplation, in the desire of knowing all its content: when there is question of practical things it adapts its content to the outside order.

The Soul has a greater content than Nature has and therefore it is more tranquil; it is more nearly complete and therefore more contemplative. It is, however, not perfect, and is all the more eager to penetrate the object of contemplation, and it seeks the vision that comes by observation. It leaves its native realm and busies itself elsewhere; then it returns, and it possesses its vision by means of that phase of itself from which it had parted. The self-indwelling Soul inclines less to such experiences.

The Sage, then, is the man made over into a Reason-Principle: to others he shows his act but in himself he is Vision: such a man is already set, not merely in regard to exterior things but also within himself, towards what is one and at rest: all his faculty and life are inward-bent.

(2) As a strong wind sweeps away a boat on the water, even one of the senses on which the mind focuses can carry away the discrimination.