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no means synonymous but designate two very different relations of things in thought. Such idealism at one fell swoop, through a collapse of assertive intellect and a withdrawal of reason into self-consciousness, has the puzzling character of any clever pun, that suspends the fancy between two incompatible but irresistible meanings. The art of such sophistry is to choose for an axiom some ambiguous phrase which taken in one sense is a truism and taken in another is an absurdity; and then, by showing the truth of that truism, to give out that the absurdity has also been proved. It is a truism to say that I am the only seat or locus of my ideas, and that whatever I know is known by me; it is an absurdity to say that I am the only object of my thought and perception.
Reality is the practical made intelligible.

To confuse the instrument with its function and the operation with its meaning has been a persistent foible in modern philosophy. It could thus come about that the function of intelligence should be altogether misconceived and in consequence denied, when it was discovered that figments of reason could never become elements of sense but must always remain, as of course they should, ideal and regulative objects, and therefore objects to which a practical and energetic intellect will tend to give the name of realities. Matter is a reality to the practical intellect because it is a necessary and ideal term in the mastery of experience; while negligible sensations, like dreams, are called illusions by the same authority because, though actual enough while they last, they have no sustained function and no right to practical dominion.

Let us imagine Berkeley addressing himself to that infant or animal consciousness which first used the category of substance and passed from its perceptions to the notion of an independent thing. "Beware, my child," he would have said, "you are taking a dangerous step, one which may hereafter produce a multitude of mathematical atheists, not to speak of cloisterfuls of scholastic triflers. Your ideas can exist only in your mind; if you suffer yourself to imagine them materialised in mid-air and subsisting when you do not perceive them, you will commit a great impiety. If you unthinkingly believe that when you shut your eyes the world continues to exist until you open them again, you will inevitably be hurried into an infinity of metaphysical quibbles about the discrete and the continuous, and you will be so bewildered and deafened by perpetual controversies that the clear light of the gospel will be extinguished in your soul." "But," that tender Peripatetic might answer, "I cannot forget the things about me when I shut my eyes: I know and almost feel their persistent presence, and I always find them again, upon trial, just as they were before, or just in that condition to which the operation of natural causes would have brought them in my absence. If I believe they remain and suffer steady and imperceptible transformation, I know what to expect, and the event does not deceive me; but if I had to resolve upon action before knowing whether the conditions for action were to exist or no, I should never understand what sort of a world I lived in."

"Ah, my child," the good Bishop would reply, "you misunderstand me. You may indeed, nay, you must, live and think as if everything remained independently real. That is part of your education for heaven, which God in his goodness provides for you in this life. He will send into your soul at every moment the impressions needed to verify your necessary hypotheses and support your humble and prudent expectations. Only you must not attribute that constancy to the things themselves which is due to steadfastness in the designs of Providence. Think and act as if a material world existed, but do not for a moment believe it to exist."

Vain "realities" and trustworthy "fictions."

With this advice, coming reassuringly from the combined forces of scepticism and religion, we may leave the embryonic mind to its own devices, satisfied that even according to the most malicious psychologists its first step toward the comprehension of experience is one it may congratulate itself on having taken and which, for the present at least, it is not called upon to retrace. The Life of Reason is not concerned with speculation about unthinkable and gratuitous "realities"; it seeks merely to attain those conceptions which are necessary and appropriate to man in his acting and thinking. The first among these, underlying all arts and philosophies alike, is the indispensable conception of permanent external objects, forming in their congeries, shifts, and secret animation the system and life of nature.

NOTE—There is a larger question raised by Berkeley's arguments which I have not attempted to discuss here, namely, whether knowledge is possible at all, and whether any mental representation can be supposed to inform us about anything. Berkeley of course assumed this power in that he continued to believe in God, in other spirits, in the continuity of experience, and in its discoverable laws. His objection to material objects, therefore, could not consistently be that they are objects of knowledge rather than absolute feelings, exhausted by their momentary possession in consciousness. It could only be that they are unthinkable and invalid objects, in which the materials of sense are given a mode of existence inconsistent with their nature. But if the only criticism to which material objects were obnoxious were a dialectical criticism, such as that contained in Kant's antinomies, the royal road to idealism coveted by Berkeley would be blocked; to be an idea in the mind would not involve lack of cognitive and representative value in that idea. The fact that material objects were represented or conceived would not of itself prove that they could not have a real existence. It would be necessary, to prove their unreality, to study their nature and function and to compare them with such conceptions as those of Providence and a spirit-world in order to determine their relative validity. Such a critical comparison would have augured ill for Berkeley's prejudices; what its result might have been we can see in Kant's Critique of Pure Reason. In order to escape such evil omens and prevent the collapse of his mystical paradoxes, Berkeley keeps in reserve a much more insidious weapon, the sceptical doubt as to the representative character of anything mental, the possible illusiveness of all knowledge. This doubt he invokes in all those turns of thought and phrase in which he suggests that if an idea is in the mind it cannot have its counterpart elsewhere, and that a given cognition exhausts and contains its object. There are, then, two separate maxims in his philosophy, one held consistently, viz., that nothing can be known which is different in character or nature from the object present to the thinking mind; the other, held incidentally and inconsistently, since it is destructive of all predication and knowledge, viz., that nothing can exist beyond the mind which is similar in nature or character to the "ideas" within it; or, to put the same thing in other words, that nothing can be revealed by an idea which is different from that idea in point of existence. The first maxim does not contradict the existence of external objects in space; the second contradicts every conception that the human mind can ever form, the most airy no less than the grossest. No idealist can go so far as to deny that his memory represents his past experience by inward similarity and conscious intention, or, if he prefers this language, that the moments or aspects of the divine mind represent one another and their general system. Else the idealist's philosophy itself would be an insignificant and momentary illusion. CHAPTER V—NATURE UNIFIED AND MIND DISCERNED
Man's feeble grasp of nature.

When the mind has learned to distinguish external objects and to attribute to them a constant size, shape, and potency, in spite of the variety and intermittence ruling in direct experience, there yet remains a great work to do before attaining a clear, even if superficial, view of the world. An animal's customary habitat may have constant features and their relations in space may be learned by continuous exploration; but probably many other landscapes are also within the range of memory and fancy that stand in no visible relation to the place in which we find ourselves at a given moment. It is true that, at this day, we take it for granted that all real places, as we call them, lie in one space, in which they hold definite geometric relations to one another; and if we have glimpses of any region for which no room can be found in the single map of the universe which astronomy has drawn, we unhesitatingly relegate that region to the land of dreams. Since the Elysian Fields and the Coast of Bohemia have no assignable latitude and longitude, we call these places imaginary, even if in some dream we remember to have visited them and dwelt there with no less sense of reality than in this single and geometrical world of commerce. It belongs to sanity and common-sense, as men now possess them, to admit no countries unknown to geography and filling no part of the conventional space in three dimensions. All our waking experience is understood to go on in some part of this space, and no court of law would admit evidence relating to events in some other sphere.

This principle, axiomatic as it has become, is in no way primitive, since primitive experience is sporadic and introduces us to detached scenes separated by lapses in our senses and attention. These scenes do not hang together in any local contiguity. To construct a chart of the world is a difficult feat of synthetic imagination, not to be performed without speculative boldness and a heroic insensibility to the claims of fancy. Even now most people live without topographical ideas and have no clear conception of the spatial relations that keep together the world in which they move. They feel their daily way about like animals, following a habitual scent, without dominating the range of their instinctive wanderings. Reality is rather a story to them than a system of objects and forces, nor would they think themselves mad if at any time their experience should wander into a fourth dimension. Vague dramatic and moral laws, when they find any casual application, seem to such dreaming minds more notable truths, deeper revelations of efficacious reality, than the mechanical necessities of the case, which they scarcely conceive of; and in this primordial prejudice they are confirmed by superstitious affinities often surviving in their religion and philosophy. In the midst of cities and affairs they are like landsmen at sea, incapable of an intellectual conception of their position: nor have they any complete confidence in their principles of navigation. They know the logarithms by rote merely, and if they reflect are reduced to a stupid wonder and only half believe they are in a known universe or will ever reach an earthly port. It would not require superhuman eloquence in some prophetic passenger to persuade them to throw compass and quadrant overboard and steer enthusiastically for El Dorado. The theory of navigation is essentially as speculative as that of salvation, only it has survived more experiences of the judgment and repeatedly brought those who trust in it to their promised land.

Its unity ideal and discoverable only by steady thought.

The theory that all real objects and places lie together in one even and homogeneous space, conceived as similar in its constitution to the parts of extension of which we have immediate intuition, is a theory of the greatest practical importance and validity. By its light we carry on all our affairs, and the success of our action while we rely upon it is the best proof of its

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