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The process of thought, at this point, may be thus roughly sketched: — I say to myself — “Unity, as I have explained it, is a truth — I feel it. Diffusion is a truth — I see it. Irradiation, by which alone these two truths are reconciled, is a consequent truth — I perceive it. Equability of diffusion, first deduced à priori and then corroborated by the inspection of phænomena, is also a truth — I fully admit it. So far all is clear around me: — there are no clouds behind which the secret — the great secret of the gravitating modus operandi — can possibly lie hidden — but this secret lies hereabouts, most assuredly; and were there but a cloud in view, I should be driven to suspicion of that cloud.” And now, just as I say this, there actually comes a cloud into view. This cloud is the seeming impossibility of reconciling my truth, irradiation, with my truth, equability of diffusion. I say now: — “Behind this seeming impossibility is to be found what I desire.” I do not say “real impossibility;” for invincible faith in my truths assures me that it is a mere difficulty after all; but I go on to say, with unflinching confidence, that, when this difficulty shall be solved, we shall find, wrapped up in the process of solution, the key to the secret at which we aim. Moreover — I feel that we shall discover but one possible [page 50:] solution of the difficulty; this for the reason that, were there two, one would be supererogatory — would be fruitless — would be empty — would contain no key — since no duplicate key can be needed to any secret of Nature.
And now, let us see: — Our usual notions of irradiation — in fact, all our distinct notions of it — are caught merely from the process as we see it exemplified in Light. Here there is a continuous outpouring of ray-streams, and with a force which we have at least no right to suppose varies at all. Now, in any such irradiation as this — continuous and of unvarying force — the regions nearer the centre mustinevitably be always more crowded with the irradiated matter than the regions more remote. But I have assumed no such irradiation as this. I assumed no continuous irradiation; and for the simple reason that such an assumption would have involved, first, the necessity of entertaining a conception which I have shown no man can entertain, and which (as I will more fully explain hereafter) all observation of the firmament refutes — the conception of the absolute infinity of the Universe of stars — and would have involved, secondly, the impossibility of understanding a rëaction — that is, gravitation — as existing now — since, while an act is continued, no rëaction, of course, can take place. My assumption, then, or rather my inevitable deduction from just premises, — was that of a determinate irradiation — one finally discontinued.
Let me now describe the sole possible mode in which it is conceivable that matter could have been diffused through space, so as to fulfil the conditions at once of irradiation and of generally equable distribution. [page 51:]
For convenience of illustration, let us imagine, in the first place, a hollow sphere of glass, or of anything else, occupying the space throughout which the universal matter is to be thus equally diffused, by means of irradiation, from the absolute, irrelative, unconditional particle, placed in the centre of the sphere.
Now, a certain exertion of the diffusive power (presumed to be the Divine Volition) — in other words, a certain force — whose measure is the quantity of matter — that is to say, the number of atoms — emitted; emits, by irradiation, this certain number of atoms; forcing them in all directions outwardly from the centre — their proximity to each other diminishing as they proceed — until, finally, they are distributed, loosely, over the interior surface of the sphere.
When these atoms have attained this position, or while proceeding to attain it, a second and inferior exercise of the same force — or a second and inferior force of the same character — emits, in the same manner — that is to say, by irradiation as before — a second stratum of atoms which proceeds to deposit itself upon the first; the number of atoms, in this case as in the former, being of course the measure of the force which emitted them; in other words, the force being precisely adapted to the purpose it effects — the force, and the number of atoms sent out by the force, being directly proportional.
When this second stratum has reached its destined position — or while approaching it — a third still inferior exertion of the force, or a third inferior force of a similar character — the number of atoms emitted being in all cases the measure of the force — proceeds to deposit a third stratum upon the second: — and so on, until these concentric strata, growing gradually less [page 52:] and less, come down at length to the central point; and the diffusive matter, simultaneously with the diffusive force, is exhausted.(1)
We have now the sphere filled, through means of irradiation, with atoms equably diffused. The two necessary conditions — those of irradiation and of equable diffusion — are satisfied; and by the sole process in which the possibility of their simultaneous satisfaction is conceivable. For this reason, I confidently expect to find, lurking in the present condition of the atoms as distributed throughout the sphere, the secret of which I am in search — the all-important principle of the modus operandi of the Newtonian law. Let us examine, then, the actual condition of the atoms.
They lie in a series of concentric strata. They are equably diffused throughout the sphere. They have been irradiated into these states.
The atoms being equably distributed, the greater the superficial extent of any of these concentric strata, or spheres, the more atoms will lie upon it. In other words, the number of atoms lying upon the surface of any one of the concentric spheres, is directly proportional with the extent of that surface.
But, in any series of concentric spheres, the surfaces are directly proportional with the squares of the distances from the centre.(2)
Therefore the number of atoms in any stratum is directly proportional with the square of that stratum's distance from the centre.
But the number of atoms in any stratum is the measure of the force which emitted that stratum — [page 53:] that is to say, is directly proportional with the force.
Therefore the force which irradiated any stratum is directly proportional with the square of that stratum's distance from the centre: — or, generally,
The force of the irradiation has been directly proportional with the squares of the distances.
Now, Rëaction, as far as we know any thing of it, is Action conversed. The general principle of Gravity being, in the first place, understood as the rëaction of an act — as the expression of a desire on the part of Matter, while existing in a state of diffusion, to return into the Unity whence it was diffused; and, in the second place, the mind being called upon to determine the character of the desire — the manner in which it would, naturally, be manifested; in other words, being called upon to conceive a probable law, or modus operandi, for the return; could not well help arriving at the conclusion that this law of return would be precisely the converse of the law of departure. That such would be the case, any one, at least, would be abundantly justified in taking for granted, until such time as some person should suggest something like a plausible reason why it should not be the case — until such a period as a law of return shall be imagined which the intellect can consider as preferable.
Matter, then, irradiated into space with a force varying as the squares of the distances, might, à priori, be supposed to return towards its centre of irradiation with a force varying inversely as the squares of the distances; [page 54:] and I have already shown(1) that any principle which will explain why the atoms should tend, according to any law, to the general centre, must be admitted as satisfactorily explaining, at the same time, why, according to the same law, they should tend each to each. For, in fact, the tendency to the general centre is not to a centre as such, but because of its being a point in tending towards which each atom tends most directly to its real and essential centre, Unity — the absolute and final Union of all.
The consideration here involved presents to my own mind no embarrassment whatever — but this fact does not blind me to the possibility of its being obscure to those who may have been less in the habit of dealing with abstractions: — and, upon the whole, it may be as well to look at the matter from one or two other points of view.
The absolute, irrelative particle primarily created by the Volition of God, must have been in a condition of positive normality, or rightfulness — for wrongfulness implies relation. Right is positive; wrong is negative — is merely the negation of right; as cold is the negation of heat — darkness of light. That a thing may be wrong, it is necessary that there be some other thing in relation to which it is wrong — some condition which it fails to satisfy; some law which it violates; some being whom it aggrieves. If there be no such being, law, or condition, in respect to which the thing is wrong — and, still more especially, if no beings, laws, or conditions exist at all — then the thing cannot be wrong, and consequently must be right.
Any deviation from normality involves a tendency to return to it. A difference from the normal — from [page 55:] the right — from the just — can be understood as effected only by the overcoming a difficulty; and, if the force which overcomes the difficulty be not infinitely continued, the ineradicable tendency to return will at length be permitted to act for its own satisfaction. Upon withdrawal of the force, the tendency acts. This is the principle of rëaction as the inevitable consequence of finite action. Employing a phraseology of which the seeming affectation will be pardoned for its expressiveness, we may say that Rëaction is the return from the condition of as it is and ought not to be into the condition of as it was, originally, and therefore ought to be: — and let me add here that the absolute force of Rëaction would no doubt be always found in direct proportion with the reality — the truth — the absoluteness — of the originality — if ever it were possible to measure this latter: — and, consequently, the greatest of all conceivable rëactions must be that produced by the tendency which we now discuss — the tendency to return into the absolutely original — into the supremely primitive. Gravity, then, must be the strongest of forces — an idea reached à priori and abundantly confirmed by induction. What use I make of the idea, will be seen in the sequel.
The atoms, now, having been diffused from their normal condition of Unity, seek to return to — what? Not to any particular point, certainly; for it is clear that if, upon the diffusion, the whole Universe of matter had been projected, collectively, to a distance from the point of irradiation, the atomic tendency to the general centre of the sphere would not have been disturbed in the least: — the atoms would not have sought the point in absolute space from which they were originally impelled. It is merely the condition, and [page 56:] not the point or locality at which this condition took its rise, that these atoms seek to re-establish; — it is merely that condition which is their normality, that they desire. “But they seek a centre,” it will be said, “and a centre is a point.” True; but they seek this point not in its character of point — (for, were the whole sphere moved from its position, they would seek, equally, the centre; and the centre then would be a new point) — but because it so happens, on account of the form in which they collectively exist — (that of the sphere) — that only through the point in question — the sphere's centre — they can attain their true object, Unity. In the direction of the centre each atom perceives more atoms than in any other direction. Each atom is impelled towards the centre because along the straight line joining it and the centre and passing on to the cicumference beyond, there lie a greater number of atoms than along any other straight line — a greater number of objects that seek it, the individual atom — a greater number of tendencies to Unity — a greater number of satisfactions for its own tendency to Unity — in a word, because in the direction of the centre lies the utmost possibility of satisfaction, generally, for its own individual appetite. To be brief, the condition, Unity, is all that is really sought; and if the atoms seem to seek the centre of the sphere, it is only impliedly, through implication — because such centre happens to imply, to include, or to involve, the only essential centre, Unity. But on account of this implication or involution, there is no possibility of practically separating the tendency to Unity in the abstract, from the tendency to the concrete centre. Thus the tendency of the atoms to the [page 57:] general centre is, to all practical intents and for all logical purposes, the tendency each to each; and the tendency each to each is the tendency to the centre; and the one tendency may be assumed as the other; whatever will apply to the one must be thoroughly applicable to the other; and, in conclusion, whatever principle will satisfactorily explain the one, cannot be questioned as an explanation of the other.
In looking carefully around me for rational objection to what I have advanced, I am able to discover nothing; — but of that class of objections usually urged by the doubters for Doubt's sake, I very readily perceive three; and proceed to dispose of them in order.
It may be said, first: “That the proof that the force of irradiation (in the case described) is directly proportional to the squares of the distances, depends upon an unwarranted assumption — that of the number of atoms in each stratum being the measure of the force with which they are emitted.”
I reply, not only that I am warranted in such assumption, but that I should be utterly un warranted in any other. What I assume is, simply, that an effect is the measure of its cause — that every exercise of the Divine Will will be proportional to that which demands the exertion — that the means of Omnipotence, or of Omniscience, will be exactly adapted to its purposes. Neither can a deficiency nor an excess of cause bring to pass any effect. Had the force which irradiated any stratum to its position, been either more or less than was needed for the purpose — that is to say, not directly proportional with the purpose — then to its position that stratum could not have been irradiated. Had the force which, [page 58:] with a view to general equability of distribution, emitted the proper number of atoms for each stratum, been not directly proportional to the number, then the number wouldnot have been the number demanded for the equable distribution.
The second supposable objection is somewhat better entitled to an answer.
It is an admitted principle in Dynamics that every body, on receiving an impulse, or disposition to move, will move onward in a straight line, in the direction imparted by the impelling force, until deflected, or stopped, by some other force. How then, it may be asked, is my first or external stratum of atoms to be understood as discontinuing their movement at the circumference of the imaginary glass sphere, when no second force, of more than an imaginary character, appears, to account for the discontinuance?
I reply that the objection, in this case, actually does arise out of “an unwarranted assumption” — on the part of the objector — the assumption of a principle, in Dynamics, at an epoch when no “principles,” in anything, exist: — I use the word “principle,” of course, in the objector's understanding of the word.
“In the beginning” we can admit — indeed we can comprehend — but one First Cause — the truly ultimate Principle — the Volition of God. The primary act — that of Irradiation from Unity — must have been independent of all that which the world now calls “principle” — because all that we so designate is but a consequence of the rëaction of that primary act: — I say “primary” act: — for the creation of the absolute material particle is more properly to be regarded as a conception than as an “act” in the ordinary meaning of the term. Thus, we must regard the primary act [page 59:] as an act for the establishment of what we now call “principles.” But this primary act itself is to be considered as continuous Volition. The Thought of God is to be understood as originating the Diffusion — as proceeding with it — as regulating it — and, finally, as being withdrawn from it upon its completion. Then commences Rëaction, and through Rëaction, “Principle,” as we employ the word. It will be advisable, however, to limit the application of this word to the two immediate results of the discontinuance of the Divine Volition — that is, to the two agents, Attraction and Repulsion. Every other Natural agent depends, either more or less immediately, upon these two, and therefore would be more conveniently designated as sub-principle.
It may be objected, thirdly, that, in general, the peculiar mode of distribution which I have suggested for the atoms, is “an hypothesis and nothing more.”
Now, I am aware that the word “hypothesis” is a ponderous sledge-hammer, grasped immediately, if not lifted, by all very diminutive thinkers, upon the first appearance of any proposition wearing, in any particular, the garb of a theory. But “hypothesis” cannot be wielded here to any good purpose, even by those who succeed in lifting it — little men or great.
[The following footnotes appear at the bottom of page 52:]
1 Here describe the whole process as one instantaneous flash. Poe's Manuscript Note.
2 Succintly — The surfaces of spheres are as the squares of their radii.
[The following footnotes appear at the bottom of page 54:]
1 Page 120.
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Notes:
None.
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[S:0 - SW94, 1895] - Edgar Allan Poe Society of Baltimore - Works - Eureka (Section 04) (Stedman and Woodberry, 1895)