We could, to be more exact, make a distinction between the synthetic principle and the ideal conception which is a higher form of it. The fixation of an end and the discovery of appropriate means are the necessary and sufficient conditions for all invention. A creation, whatever it be, that looks only to present success, can satisfy itself with a unifying principle that renders it viable and organized, but we can look higher than the merely necessary and sufficient.

The ideal is the principle of unity in motion in its historic evolution; like all development, it advances or recedes according to the times. Nothing is less justified than the conception of a fixed archetype (an undisguised survival of the Platonic Ideas), illuminating the inventor, who reproduces it as best he can. The ideal is a nonentity; it arises in the inventor and through him; its life is a becoming.

Psychologically, it is a construction in images belonging to the merely sketched or outlined type.[30] It results from a double activity, negative and positive, or dissociation and association, the first cause and origin of which is found in a will that it shall be so; it is the motor tendency of images in the nascent state engendering the ideal. The inventor cuts out, suppresses, sifts, according to his temperament, character, taste, prejudices, sympathies and antipathies—in short, his interest. In this separation, already studied, let us note one important particular. "We know nothing of the complex psychic production that may simply be the sum of component elements and in which they would remain with their own characters, with no modification. The nature of the components disappears in order to give birth to a novel phenomenon that has its own and particular features. The construction of the ideal is not a mere grouping of past experiences; in its totality it has its own individual characteristics, among which we no more see the composing lines than we see the components, oxygen and hydrogen, in water. In no scientific or artistic production, says Wundt, does the whole appear as made up of its parts, like a mosaic."[31] In other words, it is a case of mental chemistry. The exactness of this expression, which is due, I believe, to J. Stuart Mill, has been questioned. Still it answers to positive facts; for example, in perception, to the phenomena of contrast and their analogues; juxtaposition or rapid succession of two different colors, two different sounds, of tactile, olfactory, gustatory impressions different in quality, produces a particular state of consciousness, similar to a combination. Harmony or discord does not, indeed, exist in each separate sound, but only in the relations and sequence of sounds—it is a tertium quid. We have heretofore, in the discussion of association of ideas, very frequently represented the states of consciousness as fixed elements that approach one another, cohere, separate, come together anew, but always unalterable, like atoms. It is not so at all. Consciousness, says Titchener, resembles a fresco in which the transition between colors is made through all kinds of intermediate stages of light and shade.... The idea of a pen or of an inkwell is not a stable thing clearly pictured like the pen or inkwell itself. More than any one else, William James has insisted on this point in his theory of "fringes" of states of consciousness. Outside of the given instances we could find many others among the various manifestations of the mental life. It is not, then, at all chimerical to assume in psychology an equivalent of chemical combination. In a complex state there is, in addition to the component elements, the result of their reciprocal influences, of their varying relations. Too often we forget this resultant.

At bottom the ideal is an individual concept. If objection is offered that an ideal common to a large mass of men is a fact of common experience (e.g., idealists and realists in the fine arts, and even more so religious, moral, social and political concepts, etc.), the answer is easy: There are families of minds. They have a common ideal because, in certain matters, they have the same way of feeling and thinking. It is not a transcendental idea that unites them; but this result occurs because from their common aspirations the collective ideal becomes disengaged; it is, in scholastic terminology, a universale post rem.

The ideal conception is the first moment of the creative act, which is not yet battling with the conditions of the actual. It is only the internal vision of an individual mind that has not yet been projected externally with a form and body. We know how the passage from the internal to the external life has given rise among inventors to deceptions and complaints. Such was the imaginative construction that could not, unchanged, enter into its mould and become a reality.

Let us now examine the various forms of this coagulating[32] principle in advancing from the lowest to the highest, from the unity vaguely anticipated to the absolute and tyrannical masterful unity. Following a method that seems to me best adapted for these ill-explained questions I shall single out only the principal forms, which I have reduced to three—the unstable, the organic or middle, and the extreme or semi-morbid unity.

(1) The unstable form has its starting point directly and immediately in the reproductive imagination without creation. It assembles its elements somewhat by chance and stitches together the bits of our life; it ends only in beginnings, in attempts. The unity-principle is a momentary disposition, vacillating and changing without cessation according to the external impressions or modifications of our vital conditions and of our humor. By way of example let us recall the state of the day-dreamer building castles in the air; the delirious constructions of the insane, the inventions of the child following all the fluctuations of chance, of its caprice; the half-coherent dreams that seem to the dreamer to contain a creative germ. In consequence of the extreme frailty of the synthetic principle the creative imagination does not succeed in accomplishing its task and remains in a condition intermediate between simple association of ideas and creation proper.

(2) The organic or middle form may be given as the type of the unifying power. Ultimately it reduces itself to attention and presupposes nothing more, because, thanks to the process of "localization," which is the essential mark of attention, it makes itself a center of attraction, grouping about the leading idea the images, associations, judgments, tendencies and voluntary efforts. "Inspiration," the poet Grillparzer used to say, "is a concentration of all the forces and capacities upon a single point which, for the time being, should represent the world rather than enclose it. The reinforcement of the state of the mind comes from the fact that its several powers, instead of spreading themselves over the whole world, are contained within the bounds of a single object, touch one another, reciprocally help and reinforce each other."[33] What the poet here maintains as regards esthetics only is applicable to all the organic forms of creation—that is to those ruled by an immanent logic, and, like them, resembling works of Nature.

In order to leave no doubt as to the identity of attention and imaginative synthesis, and in order to show that it is normally the true unifying principle, we offer the following remarks:

Attention is at times spontaneous, natural, without effort, simply dependent on the interest that a thing excites in us—lasting as long as it holds us in subjection, then ceasing entirely. Again, it is voluntary, artificial, an imitation of the other, precarious and intermittent, maintained with effort—in a word, laborious. The same is true of the imagination. The moment of inspiration is ruled by a perfect and spontaneous unity; its impersonality approaches that of the forces of Nature. Then appears the personal moment, the detailed working and long, painful, intermittent resumptions, the miserable turns of which so many inventors have described. The analogy between the two cases seems to me incontestable.