This exaltation of the virtues of the primitive ages is simply the projection into a mythical past of a need that the man of the eighteenth century feels in the present—the need to let himself go. This is what he understands by his “return to nature.” A whole revolution is implied in this reinterpretation of the word nature. To follow nature in the classical sense is to imitate what is normal and representative in man and so to become decorous. To be natural in the new sense one must begin by getting rid of imitation and decorum. Moreover, for the classicist, nature and reason are synonymous. The primitivist, on the other hand, means by nature the spontaneous play of impulse and temperament, and inasmuch as this liberty is hindered rather than helped by reason, he inclines to look on reason, not as the equivalent but as the opposite of nature.
If one is to understand this development, one should note carefully how certain uses of the word reason, not merely by the neo-classicists but by the anti-traditionalists, especially in religion, tended to produce this denial of reason. It is a curious fact that some of those who were attacking the Christian religion in the name of reason, were themselves aware that mere reason, whether one understood by the word abstract reasoning or uninspired good sense, does not satisfy, that in the long run man is driven either to rise higher or to sink lower than reason. St. Evremond, for example, prays nature to deliver man from the doubtful middle state in which she has placed him—either to “lift him up to angelic radiance,” or else to “sink him to the instinct of simple animals.”[38] Since the ascending path, the path that led to angelic radiance, seemed to involve the acceptance of a mass of obsolete dogma, man gradually inclined to sink below the rational level and to seek to recover the “instinct of simple animals.” Another and still more fundamental fact that some of the rationalists perceived and that militated against their own position, is that the dominant element in man is not reason, but imagination, or if one prefers, the element of illusion. “Illusion,” said Voltaire himself, “is the queen of the human heart.” The great achievement of tradition at its best was to be at once a limit and a support to both reason and imagination and so to unite them in a common allegiance. In the new movement, at the same time that reason was being encouraged by scientific method to rise up in revolt against tradition, imagination was being fascinated and drawn to the naturalistic level by scientific discovery and the vista of an endless advance that it opened up. A main problem, therefore, for the student of this movement is to determine what forms of imaginative activity are possible on the naturalistic level. A sort of understanding was reached on this point by different types of naturalists in the course of the eighteenth century. One form of imagination, it was agreed, should be displayed in science, another form in art and literature.[39] The scientific imagination should be controlled by judgment and work in strict subordination to the facts. In art and literature, on the other hand, the imagination should be free. Genius and originality are indeed in strict ratio to this freedom. “In the fairy land of fancy,” says Young, “genius may wander wild; there it has a creative power, and may reign arbitrarily over its own empire of chimeras.” (The empire of chimeras was later to become the tower of ivory.) This sheer indiscipline of the literary imagination might seem in contrast with the discipline of the scientific imagination an inferiority; but such was not the view of the partisans of original genius. Kant, indeed, who was strongly influenced in his “Critique of Æsthetic Judgment” by these English theorists,[40] inclined to deny genius to the man of science for the very reason that his imagination is so strictly controlled. The fact would seem to be that a great scientist, a Newton let us say, has as much right to be accounted a genius as Shakespeare. The inferiority of the genius of a Newton compared with that of a Shakespeare lies in a certain coldness. Scientific genius is thus cold because it operates in a region less relevant to man than poetic genius; it is, in Bagehot’s phrase, more remote from the “hearth of the soul.”
The scientific and the literary imagination are indeed not quite so sharply contrasted by most of the theorists as might be inferred from what I have said; most of them do not admit that the literary imagination should be entirely free to wander in its own “empire of chimeras.” Even literary imagination, they maintain, should in some measure be under the surveillance of judgment or taste. One should observe, however, that the judgment or taste that is supposed to control or restrict genius is not associated with the imagination. On the contrary, imagination is associated entirely with the element of novelty in things, which means, in the literary domain, with the expansive eagerness of a man to get his own uniqueness uttered. The genius for the Greek, let us remind ourselves, was not the man who was in this sense unique, but the man who perceived the universal; and as the universal can be perceived only with the aid of the imagination, it follows that genius may be defined as imaginative perception of the universal. The universal thus conceived not only gives a centre and purpose to the activity of the imagination, but sets bounds to the free expansion of temperament and impulse, to what came to be known in the eighteenth century as nature.
Kant, who denies genius to the man of science on grounds I have already mentioned, is unable to associate genius in art or literature with this strict discipline of the imagination to a purpose. The imagination must be free and must, he holds, show this freedom not by working but by playing. At the same time Kant had the cool temper of a man of the Enlightenment, and looked with the utmost disapproval on the aberrations that had marked in Germany the age of original genius (die Geniezeit). He was not in the new sense of the word nor indeed in any sense, an enthusiast. And so he wished the reason, or judgment, to keep control over the imagination without disturbing its free play; art is to have a purpose which is at the same time not a purpose. The distinctions by which he works out the supposed relationship between judgment and imagination are at once difficult and unreal. One can indeed put one’s finger here more readily perhaps than elsewhere on the central impotence of the whole Kantian system. Once discredit tradition and outer authority and then set up as a substitute a reason that is divorced from the imagination and so lacks the support of supersensuous insight, and reason will prove unable to maintain its hegemony. When the imagination has ceased to pull in accord with the reason in the service of a reality that is set above them both, it is sure to become the accomplice of expansive impulse, and mere reason is not strong enough to prevail over this union of imagination and desire. Reason needs some driving power behind it, a driving power that, when working in alliance with the imagination, it gets from insight. To suppose that man will long rest content with mere naked reason as his guide is to forget that “illusion is the queen of the human heart”; it is to revive the stoical error. Schiller, himself a Kantian, felt this rationalistic rigor and coldness of his master, and so sought, while retaining the play theory of art, to put behind the cold reason of Kant the driving power it lacked; for this driving power he looked not to a supersensuous reality, not to insight