|  | The Philosophical Test of the Revelations of Religious Experience
 -With Einstein space is real, but relative 
              to the observer. He rejects the Newtonian concept of an absolute 
              space. The object observed is variable; it is relative to the observer; 
              its mass, shape, and size change as the observers position 
              and speed change. Movement and rest, too, are relative to the observer. 
              There is, therefore, no such thing as a self-subsistent materiality 
              of classical physics. It is, however, necessary here to guard against 
              a misunderstanding. The use of the word observer in 
              this connexion has misled Wildon Carr into the view that the theory 
              of Relativity inevitably leads to Monadistic Idealism. It is true 
              that according to the theory the shapes, sizes, and durations of 
              phenomena are not absolute. But as Professor Nunn points out, the 
              space-time frame does not depend on the observers mind; it 
              depends on the point of the material universe to which his body 
              is attached. In fact, the observer can be easily replaced 
              by a recording apparatus. Personally, I believe that the ultimate 
              character of Reality is spiritual: but in order to avoid a widespread 
              misunderstanding it is necessary to point out that Einsteins 
              theory, which, as a scientific theory, deals only with the structure 
              of things, throws no light on the ultimate nature of things which 
              possess that structure.
 The philosophical value of the theory is twofold. First, it destroys, 
              not the objectivity of Nature, but the view of substance as simple 
              location in space - a view which led to materialism in Classical 
              Physics. Substance for modern Relativity-Physics is 
              not a persistent thing with variable states, but a system of interrelated 
              events. In Whiteheads presentation of the theory the notion 
              of matter is entirely replaced by the notion of organism. 
              Secondly, the theory makes space dependent on matter. The universe, 
              according to Einstein, is not a kind of island in an infinite space; 
              it is finite but boundless; beyond it there is no empty space. In 
              the absence of matter the universe would shrink to a point. Looking, 
              however, at the theory from the standpoint that I have taken in 
              these lectures, Einsteins Relativity presents one great difficulty, 
              i.e. the unreality of time. A theory which takes time to be a kind 
              of fourth dimension of space must, it seems, regard the future as 
              something already given, as indubitably fixed as the past. Time 
              as a free creative movement has no meaning for the theory. It does 
              not pass. Events do not happen; we simply meet them. It must not, 
              however, be forgotten that the theory neglects certain characteristics 
              of time as experienced by us; and it is not possible to say that 
              the nature of time is exhausted by the characteristics which the 
              theory does note in the interests of a systematic account of those 
              aspects of Nature which can be mathematically treated. Nor is it 
              possible for us laymen to understand what the real nature of Einsteins 
              time is.
 
 It is obvious that Einsteins time is not Bergsons pure 
              duration. Nor can we regard it as serial time. Serial time is the 
              essence of causality as defined by Kant. The cause and its effect 
              are mutually so related that the former is chronologically prior 
              to the latter, so that if the former is not, the latter cannot be. 
              If mathematical time is serial time, then on the basis of the theory 
              it is possible, by a careful choice of the velocities of the observer 
              and the system in which a given set of events is happening, to make 
              the effect precede its cause. It appears to me that time regarded 
              as a fourth dimension of space really ceases to be time. A modern 
              Russian writer, Ouspensky, in his book called Tertium Organum, conceives 
              the fourth dimension to be the movement of a three-dimensional figure 
              in a direction not contained in itself. Just as the movement of 
              the point, the line and the surface in a direction not contained 
              in them gives us the ordinary three dimensions of space, in the 
              same way the movement of the three-dimensional figure in a direction 
              not contained in itself must give us the fourth dimension of space. 
              And since time is the distance separating events in order of succession 
              and binding them in different wholes, it is obviously a distance 
              lying in a direction not contained in the three-dimensional space. 
              As a new dimension this distance, separating events in the order 
              of succession, is incommensurable with the dimensions of three-dimensional 
              space, as a year is incommensurable with St. Petersburg. It is perpendicular 
              to all directions of three-dimensional space, and is not parallel 
              to any of them. Elsewhere in the same book Ouspensky describes our 
              time-sense as a misty space-sense and argues, on the basis of our 
              psychic constitution, that to one-, two- or three-dimensional beings 
              the higher dimension must always appear as succession in time.
 
 This obviously means that what appears to us three-dimensional beings 
              as time is in reality an imperfectly sensed space-dimension which 
              in its own nature does not differ from the perfectly sensed dimensions 
              of Euclidean space. In other words, time is not a genuine creative 
              movement; and that what we call future events are not fresh happenings, 
              but things already given and located in an unknown space. Yet in 
              his search for a fresh direction, other than the three Euclidean 
              dimensions, Ouspensky needs a real serial time, i.e. a distance 
              separating events in the order of succession. Thus time which was 
              needed and consequently viewed as succession for the purposes of 
              one stage of the argument is quietly divested, at a later stage, 
              of its serial character and reduced to what does not differ in anything 
              from the other lines and dimensions of space. It is because of the 
              serial character of time that Ouspensky was able to regard it as 
              a genuinely new direction in space. If this characteristic is in 
              reality an illusion, how can it fulfil Ouspenskys requirements 
              of an original dimension?
 
 Passing now to other levels of experience - life and consciousness. 
              Consciousness may be imagined as a deflection from life. Its function 
              is to provide a luminous point in order to enlighten the forward 
              rush of life. It is a case of tension, a state of self-concentration, 
              by means of which life manages to shut out all memories and associations 
              which have no bearing on a present action. It has no well-defined 
              fringes; it shrinks and expands as the occasion demands. To describe 
              it as an epiphenomenon of the processes of matter is to deny it 
              as an independent activity, and to deny it as an independent activity 
              is to deny the validity of all knowledge which is only a systematized 
              expression of consciousness. Thus consciousness is a variety of 
              the purely spiritual principle of life which is not a substance, 
              but an organizing principle, a specific mode of behaviour essentially 
              different to the behaviour of an externally worked machine. Since, 
              however, we cannot conceive of a purely spiritual energy, except 
              in association with a definite combination of sensible elements 
              through which it reveals itself, we are apt to take this combination 
              as the ultimate ground of spiritual energy. The discoveries of Newton 
              in the sphere of matter and those of Darwin in the sphere of Natural 
              History reveal a mechanism. All problems, it was believed, were 
              really the problems of physics. Energy and atoms, with the properties 
              self-existing in them, could explain everything including life, 
              thought, will, and feeling.
 
 The concept of mechanism - a purely physical concept - claimed to 
              be the all-embracing explanation of Nature. And the battle for and 
              against mechanism is still being fiercely fought in the domain of 
              Biology. The question, then, is whether the passage to Reality through 
              the revelations of sense-perception necessarily leads to a view 
              of Reality essentially opposed to the view that religion takes of 
              its ultimate character. Is Natural Science finally committed to 
              materialism? There is no doubt that the theories of science constitute 
              trustworthy knowledge, because they are verifiable and enable us 
              to predict and control the events of Nature. But we must not forget 
              that what is called science is not a single systematic view of Reality. 
              It is a mass of sectional views of Reality - fragments of a total 
              experience which do not seem to fit together. Natural Science deals 
              with matter, with life, and with mind; but the moment you ask the 
              question how matter, life, and mind are mutually related, you begin 
              to see the sectional character of the various sciences that deal 
              with them and the inability of these sciences, taken singly, to 
              furnish a complete answer to your question. In fact, the various 
              natural sciences are like so many vultures falling on the dead body 
              of Nature, and each running away with a piece of its flesh. Nature 
              as the subject of science is a highly artificial affair, and this 
              artificiality is the result of that selective process to which science 
              must subject her in the interests of precision. The moment you put 
              the subject of science in the total of human experience it begins 
              to disclose a different character. Thus religion, which demands 
              the whole of Reality and for this reason must occupy a central place 
              in any synthesis of all the data of human experience, has no reason 
              to be afraid of any sectional views of Reality.
 
 Natural Science is by nature sectional; it cannot, if it is true 
              to its own nature and function, set up its theory as a complete 
              view of Reality. The concepts we use in the organization of knowledge 
              are, therefore, sectional in character, and their application is 
              relative to the level of experience to which they are applied. The 
              concept of cause, for instance, the essential feature 
              of which is priority to the effect, is relative to the subject-matter 
              of physical science which studies one special kind of activity to 
              the exclusion of other forms of activity observed by others. When 
              we rise to the level of life and mind the concept of cause fails 
              us, and we stand in need of concepts of a different order of thought. 
              The action of living organisms, initiated and planned in view of 
              an end, is totally different to causal action. The subject-matter 
              of our inquiry, therefore, demands the concepts of end 
              and purpose, which act from within unlike the concept 
              of cause which is external to the effect and acts from without. 
              No doubt, there are aspects of the activity of a living organism 
              which it shares with other objects of Nature. In the observation 
              of these aspects the concepts of physics and chemistry would be 
              needed; but the behaviour of the organism is essentially a matter 
              of inheritance and incapable of sufficient explanation in terms 
              of molecular physics. However, the concept of mechanism has been 
              applied to life and we have to see how far the attempt has succeeded. 
              Unfortunately, I am not a biologist and must turn to biologists 
              themselves for support. After telling us that the main difference 
              between a living organism and a machine is that the former is self-maintaining 
              and self-reproducing, J.S. Haldane says:
 
 It is thus evident that although we find within the living 
              body many phenomena which, so long as we do not look closely, can 
              be interpreted satisfactorily as physical and chemical mechanism, 
              there are side by side other phenomena [i.e. self-maintenance and 
              reproduction] for which the possibility of such interpretation seems 
              to be absent. The mechanists assume that the bodily mechanisms are 
              so constructed as to maintain, repair, and reproduce themselves. 
              In the long process of natural selection, mechanisms of this sort 
              have, they suggest, been evolved gradually.
 
 Let us examine this hypothesis. When we state an event in 
              mechanical terms we state it as a necessary result of certain simple 
              properties of separate parts which interact in the event. . . . 
              The essence of the explanation or re-statement of the event is that 
              after due investigation we have assumed that the parts interacting 
              in the event have certain simple and definite properties, so that 
              they always react in the same way under the same conditions. For 
              a mechanical explanation the reacting parts must first be given. 
              Unless an arrangement of parts with definite properties is given, 
              it is meaningless to speak of mechanical explanation.
 
 To postulate the existence of a self-producing or self-maintaining 
              mechanism is, thus, to postulate something to which no meaning can 
              be attached. Meaningless terms are sometimes used by physiologists; 
              but there is none so absolutely meaningless as the expression "mechanism 
              of reproduction". Any mechanism there may be in the parent 
              organism is absent in the process of reproduction, and must reconstitute 
              itself at each generation, since the parent organism is reproduced 
              from a mere tiny speck of its own body. There can be no mechanism 
              of reproduction. The idea of a mechanism which is constantly maintaining 
              or reproducing its own structure is self-contradictory. A mechanism 
              which reproduced itself would be a mechanism without parts, and, 
              therefore, not a mechanism
 
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