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In short, the question is a debatable one: are the axioms of logic adequate to reality, or are they measures and means by which alone we can, create realities, or the concept "reality"?... In order to affirm the first alternative, however, one would, as we have seen, require a previous knowledge of Being; which is certainly not the case. The proposition therefore contains no criterion of truth, but an imperative concerning that which should pass as true.

Supposing there were no such thing as A identical with itself, as every logical (and mathematical) proposition presupposes, and that A is in itself an appearance, then logic would have a mere world of appearance as its first condition. As a matter of fact, we believe in that proposition, under the influence of an endless[Pg 32] empiricism which seems to confirm it every minute. The "thing"—that is the real substratum of A; our belief in things is the first condition of our faith in logic. The A in logic is, like the atom, a reconstruction of the thing.... By not understanding this, and by making logic into a criterion of real being, we are already on the road to the classification of all those hypostases, substance, attribute, object, subject, action, etc., as realities—that is to say, the conception of a metaphysical world or a "real world" (—this is, however, once more the world of appearance...).

The primitive acts of thought, affirmation, and negation, the holding of a thing for true, and the holding of a thing for not true,—in so far as they do not only presuppose a mere habit, but the very right to postulate truth or untruth at all,—are already dominated by a belief, that there is such a thing as knowledge for us, and that judgments can really hit the truth: in short, logic never doubts that it is able to pronounce something concerning truth in itself (—that is to say, that to the thing which is in itself true, no opposite attributes can be ascribed).

In this belief there reigns the sensual and coarse prejudice that our sensations teach us truths concerning things,—that I cannot at the same moment of time say of one and the same thing that it is hard and soft. (The instinctive proof, "I cannot have two opposite sensations at once," is quite coarse and false.)

That all contradiction in concepts should be[Pg 33] forbidden, is the result of a belief, that we are able to form concepts, that a concept not only characterises but also holds the essence of a thing.... As a matter of fact, logic (like geometry and arithmetic) only holds good of assumed existences which we have created. Logic is the attempt on our part to understand the actual world according to a scheme of Being devised by ourselves; or, more exactly, it is our attempt at making the actual world more calculable and more susceptible to formulation, for our own purposes....

517.

In order to be able to think and to draw conclusions, it is necessary to acknowledge that which exists: logic only deals with formul for things which are constant. That is why this acknowledgment would not in the least prove reality: "that which is" is part of our optics. The ego regarded as Being (not affected by either Becoming or evolution).

The assumed world of subject, substance, reason, etc., is necessary, an adjusting, simplifying falsifying, artificially-separating power resides in us. "Truth" is the will to be master over the manifold sensations that reach consciousness; it is the will to classify phenomena according to definite categories. In this way we start out with a belief in the "true nature" of things (we regard phenomena as real).

The character of the world in the process of Becoming is not susceptible of formulation; it is "false" and "contradicts itself." Knowledge and[Pg 34] the process of evolution exclude each other. Consequently, knowledge must be something else: it must be preceded by a will to make things knowable, a kind of Becoming in itself must create the illusion of Being.

518.

If our "ego" is the only form of Being, according to which we make and understand all Being: very good! In that case it were very proper to doubt whether an illusion of perspective were not active here—the apparent unity which everything assumes in our eyes on the horizon-line. Appealing to the body for our guidance, we are confronted by such appalling manifoldness, that for the sake of method it is allowable to use that phenomenon which is richer and more easily studied as a clue to the understanding of the poorer phenomenon.

Finally: admitting that all is Becoming, knowledge is only possible when based on a belief in Being.

519.

If there is "only one form of Being, the ego," and all other forms of Being are made in its own image,—if, in short, the belief in the "ego," together with the belief in logic, stands and falls with the metaphysical truth of the categories of reason: if, in addition, the "ego" is shown to be something that is evolving: then——[Pg 35]

520.

The continual transitions that occur, forbid our speaking of the "individual," etc.; the "number" of beings itself fluctuates. We should know nothing of time or of movement, if, in a rough way, we did not believe we saw things "standing still" behind or in front of things moving. We should also know just as little about cause and effect, and without the erroneous idea of "empty space" we should never have arrived at the concept of space at all. The principle of identity is based on the "fact of appearance" that there are some things alike. Strictly speaking, it would not be possible to "understand" and "know" an evolving world; something which is called "knowledge" exists only in so far as the "understanding" and "knowing" intellect already finds an adjusted and rough world to hand, fashioned out of a host of mere appearances, but become fixed to the extent in which this kind of appearance has helped to preserve life; only to this extent is "knowledge" possible—that is to say, as a measuring of earlier and more recent errors by one another.

521.

Concerning logical appearance.—The concept "individual" and the concept "species" are equally false and only apparent. "Species" only expresses the fact that an abundance of similar creatures come forth at the same time, and that the speed of their further growth and of their[Pg 36] further transformation has been made almost imperceptible for a long time: so that the actual and trivial changes and increase of growth are of no account at all (—a stage of evolution in which the process of evolving is not visible, so that, not only does a state of equilibrium seem to have been reached, but the road is also made clear for the error of supposing that an actual goal has been reached—and that evolution had a goal...).

The form seems to be something enduring, and therefore valuable; but the form was invented merely by ourselves; and however often "the same form is attained," it does not signify that it is the same form,—because something new always appears; and we alone, who compare, reckon the new with the old, in so far as it resembles the latter, and embody the two in the unity of "form." As if a type had to be reached and were actually intended by the formative processes.