III
Thinking in the Service
of Apprehending the World
When I observe
how a billiard ball that is struck communicates its motion to another, I
remain thereby completely without influence on the course of this observed
occurrence. The direction of motion and the velocity of the second ball are
determined by the direction and velocity of the first. As long as I act
merely as observer, I can say something about the motion of the second ball
only when the motion has occurred. The matter is different when I begin to
reflect on the content of my observation. My reflection has the purpose of
forming concepts about the occurrence. I bring the concept of an elastic ball
into connection with certain other concepts of mechanics, and take into
consideration the particular circumstances which prevail in the present case.
I seek, that is, to add to the occurrence that runs its course without my
participation a second occurrence that takes place in the conceptual sphere.
The latter is dependent upon me. This shows itself through the fact that I
can content myself with the observation and forgo any seeking for concepts,
if I have no need of them. But if this need is present, then I will rest
content only when I have brought the concepts ball, elasticity, motion,
impact, velocity, etc. into a certain interconnection, to which the observed
occurrence stands in a definite relationship. As certain as it is, now, that
the occurrence takes place independently of me, it is just as certain that
the conceptual process cannot occur without my participation.
Whether this
activity of mine really issues from my own independent being, or whether the
modern physiologists are right who say that we cannot think as we want, but
rather must think as determined by the thoughts and thought connections now
present in our consciousness (cf. Ziehen,
Guidelines of Physiological Psychology*),
is a question that will be the subject of a later
discussion. For the moment we merely want to establish the fact that, for the
objects and occurrences given us without our participation, we feel ourselves
constantly compelled to seek concepts and conceptual connections that stand
in a certain relationship to what is given. Whether the activity is in truth
our activity, or whether we perform it according to an unalterable
necessity, this question we will leave aside for the moment. That this
activity appears to us at first as our own is without question. We know full
well that along with objects, their concepts are not given us at the same
time. That I myself am the active one may rest on an illusion; to immediate
observation in any case the matter presents itself that way. The question is
now: What do we gain through the fact that we find a conceptual counterpart
to an occurrence?
*Leitfaden der physiologischen Psychologie
There is for
me a far-reaching difference between the way that the parts of an occurrence
interact with each other before and after the discovery of the corresponding
concepts. Mere observation can follow the parts of a given occurrence in
progress; their connection, however, before recourse is taken to concepts,
remains dark. I see the first billiard ball move toward the second in a
certain direction and with a definite velocity; what will happen after the
resulting impact, this I must wait for, and then again I also can only follow
it with my eyes. Let us suppose that, at the moment of impact, this I must
wait for, and then again I also can only follow it with my eyes. Let us
suppose that, at the moment of impact, someone covered the field on which the
occurrence that takes place; then I — as mere observer — am
without knowledge of what happens afterwards. It is different if, for the
constellation of relationships, I have found the corresponding concepts
before the covering takes place. In this case I can say what will happen,
even if the possibility of observation ceases. An occurrence or object that
is merely observed does not of itself reveal anything about its connection
with other occurrences or objects. This connection becomes visible only when
observation joins itself with thinking.
Observation
and thinking are the two starting points for all the spiritual striving
of man, insofar as he is conscious of such a striving. The workings of common
sense and the most intricate scientific research rest on these two basic
pillars of our spirit. The philosophers have started from various ultimate
polarities: idea and reality, subject and object, phenomenon and
thing-in-itself, “I” and not-“I,” idea and will,
concept and matter, force and substance, conscious and unconscious. It is
easily shown, however, that the polarity of observation and
thinking must precede all these others as the most important for the
human being.
Whatever principle we may ever
set up: we must show that it was somewhere observed by us, or express it in
the form of a clear thought which can also be thought by everyone else. Every
philosopher who begins to speak about his ultimate principles must make use
of the conceptual form, and thereby of thinking. By doing so he admits
indirectly that he already presupposes thinking as part of his activity.
Whether thinking or something else is the main element of world evolution,
about this nothing yet is determined here. But that the philosopher, without
thinking, can gain no knowledge of world evolution, this is clear from the
start. In the coming into being of world phenomena, thinking may play a
secondary role; but in the coming into being of a view about them, a main
role certainly does belong to thinking.
Now with
respect to observation, it lies in the nature of our organization that we
need it. Our thinking about a horse and the object “horse” are
two things which for us appear separately. And this object is accessible to
us only through observation. As little as we are able, by mere staring at a
horse, to make a concept of it for ourselves, just as little are we capable,
by mere thinking, to bring forth a corresponding object.
In sequence of
time, observation comes in fact before thinking. For even thinking we must
learn to know first through observation. It was essentially the description
of an observation when we gave an account at the beginning of this chapter of
how thinking is kindled by an occurrence but goes beyond what is thus given
before our thinking participation. It is through observation that we first
become aware of everything that enters the circle of our experiences. The
content of sensations, of perceptions, of contemplations, our feelings, acts
of will, dream and fantasy images, mental pictures, concepts and ideas, all
illusions and hallucinations, re given to us trough observation.
But as object of observation,
thinking differs essentially from all other things. The observation of a
table or of a tree occurs for me as soon as these objects arise on the
horizon of my experiences. My thinking about these objects, however, I do not
observe at the same time. I observe the table, I carry out my thinking about
the table, but I do not observe my thinking at the same moment. I must first
transfer myself to a standpoint outside of my own activity, if I want,
besides the table, to observe also my thinking about the table. Whereas the
observing of objects and occurrences, and the thinking about them, are the
entirely commonplace state of affairs with which my going life is filled, the
observation of thinking is a kind of exceptional state. This fact must be
properly considered when it is a matter of determining the relationship of
thinking to all other contents of observation. One must be clear about the
fact that in the observation of thinking one is applying to it a way of doing
things which constitutes the normal condition for the consideration of all
other world content, but which, in the course of this normal state of
affairs, does not take place with respect to thinking itself.
Someone could
make the objection that what I have observed here about thinking also hold
good for feeling and for our other spiritual activities. When we, for
example, have the feeling of pleasure, this is kindled also by an object, and
I observe in fact this object, but not the feeling of pleasure. This
objection rests however upon an error. Pleasure stands by no means in the
same relationship to its object as does the concept which thinking forms. I
am conscious in the most definite way that the concept of a thing is formed
through my activity, whereas pleasure is produced in me through an object in
the same way as, for example, the change which a falling stone effects in an
object upon which it falls. For observation, pleasure is a given in exactly
the same way as the occurrence causing it. The same is not true of the
concept. I can ask why a particular occurrence produces in me the feeling of
pleasure. But I can by now means ask why an occurrence produces in me a
particular sum of concepts. That would simply make no sense. In my reflecting
on an occurrence it is not at all a question of an effect upon me. I can
experience nothing about myself through the fact that I know the appropriate
concepts for the observed change which a stone, thrown against the
windowpane, causes in the latter. But I very much do experience something
about my personality when I know the feeling which a particular occurrence
awakens in me. When I say with respect to an observed object that this is a
rose, I do not thereby say the slightest thing about myself; when, however, I
saw of the same thing that it gives me a feeling of pleasure, I have
characterized thereby not only the rose, but also myself in my relationship
to the rose.
To regard
thinking and feeling as alike in their relationship to observation is
therefore out of the question. The same could also easily be demonstrated for
the other activities of the human spirit. They belong, in contrast to
thinking, in a category with other observed objects and occurrences. It
belongs precisely to the characteristic nature of thinking that it is an
activity which is directed solely upon the observed object and not upon the
thinking personality. This manifests itself already in the way that we bring
our thoughts about a thing to expression, in contrast to our feelings or acts
of will. When I see an object and know it to be a table, I will not usually
say that I am thinking about a table, but rather that this is a table. But I
will certainly say that I am pleased with the table. In the first case it
does not occur to me at all to express the fact that I enter into
relationship with the table; in the second case, however, it is precisely a
question of this relationship. With the statement that I am thinking about a
table, I enter already into the exceptional state characterized above, in
which something is made into an object of observation that always accompanies
and is contained within our spiritual activity, but not as an observed
object.
That is the
characteristic nature of thinking, that the thinker forgets his thinking
while exercising it. It is not thinking that occupies him, but rather the
object of thinking that he is observing.
The first
observation that we can make about thinking is therefore this: that it is the
unobserved element of our ordinary spiritual life.
The reason why
we do not observe thinking in our everyday spiritual life is none other than
that it depends upon our own activity. What I do not myself bring forth comes
as something objective into my field of observation. I see myself before it
as before something that has occurred without me; it comes to me; I have to
receive it as the prerequisite for my thinking process. While I am reflecting
on the object, I am occupied with it; my gaze is turned to it. This
occupation is in fact thinking contemplation. My attention is directed now
upon my activity, but rather upon the object of this activity. In other
words: while I am thinking, I do not look at my thinking, which I myself
bring forth, but rather at the object of my thinking, which I do not bring
forth.
I am, as a
matter of fact, in the same position when I let the exceptional state arise
and reflect on my thinking itself. I can never observe my present thinking;
but rather I can only afterward make the experiences, which I have had about
my thinking process, into the object of thinking. I would have to split
myself into two personalities, into one who thinks, and into the other one
who looks on during this thinking itself, if I wanted to observe my present
thinking. This I cannot do. I can only carry this out in two separate acts.
The thinking that is to be observed is never the one active at the moment,
but rather another one. Whether for this purpose I make my observations in
connection with my own earlier thinking, or whether I follow the thought
process of another person, or finally whether, as in the above case of the
motion of billiard balls, I set up an imaginary thought process, does not
matter.
Two things are
incompatible with each other: active bringing forth and contemplative
standing apart. This is recognized already in the first book of Moses. In the
first six-world days God lets the world come forth, and only when it is there
is the possibility present of looking upon it. “And God saw everything
that He had made and behold, it was very good.” So it is also with our
thinking. It must first be there if we want to observe it.
The reason it
is impossible for us to observe thinking in its present course at given
moment is the same that allows us to know it more directly and more
intimately than any other process of the world. Just because we bring it
forth ourselves, we know the characteristics of its course, the way the
happening to be considered takes place. What, in the other spheres of
observation, can be found only in an indirect way — the factually
corresponding connection, namely, and the interrelationship of the single
objects — this we know in the case of thinking in a completely direct
way. Why for my observation thunder follows lightning, I do not know at once;
why my thinking joins the concept thunder with that of lightning, this
I know directly out of the contents of the two concepts. Naturally the point
is not at all whether I have the right concepts of lightning and thunder. The
connection of those that I have is clear to me, and is so, in fact, through
the concepts themselves.
This
transparent clarity with respect to our thinking process is entirely
independent of our knowledge about the physiological basis of thinking. I am
speaking here about thinking insofar as it presents itself to the observation
of our spiritual activity.* How one material occurrence of my brain causes or
influences another while I am carrying out a thought operation, does not come
thereby at all into consideration. What I observe about thinking is not what
occurrence in my brain joins the concept of lightning with that of thunder,
but rather, what motivates me to bring the two concepts into a definite
relationship. My observation shows that for my thought connections nothing is
present for me by which to guide myself except the content of my thoughts; I
do not guide myself by the material occurrences in my brain. For a less
materialistic age than ours this observation would of course be altogether
superfluous. In the present day, however, where there are people who believe
that when we know what matter is we will also know how matter thinks, it must
indeed by said that one may speak of thinking without heading right away into
a collision with brain physiology. It is difficult for many people today to
grasp the concept of thinking in its purity. Whoever raises as an objection
to the picture of thinking painted here the statement of Cabanis that
“The brain secrets thoughts as the liver does bile, the salivary glands
saliva, etc.,” simply does not know what I am talking about. He tries
to find thinking through a mere process of observation in the same way as we
proceed with other objects from the content of the world. He cannot find it
in this way, however, because just there it eludes our normal observation as
I have shown. A person who cannot overcome materialism lacks the ability to
call forth the characterized exceptional state which brings to his
consciousness what remains unconscious to all other spiritual activity.* With
someone who does not have the good will to take this standpoint, one could as
little speak about thinking as with a blind person about color. Still he
should not believe that we regard physiological processes as thinking. He
does not explain thinking, because he simply does not see it at all.
*geistigen Tätigkeit
For everyone,
however, who has the ability to observe thinking — and with good will
every normally developed human being has it — this observation is the
most important one he can possibly make. For he observes something that he
himself brings forth; he does not see himself confronting an object at first
foreign to him, but rather sees himself confronting his own activity. He
knows how what he is observing comes about. He sees into its relationship and
interconnections. A firm point has been won from which one can seek, with
well-founded hope, the explanation of the rest of world phenomena.
The feeling of
having such a firm point caused the founder of modern philosophy, Descartes,
to base all human knowing upon the statement,
I think, therefore I am.
All other things, everything else that happens is there without me; I do not
know whether as truth, whether as illusion and dream. There is only one thing
I know with altogether unqualified certainty, for I myself bring it to its
certain existence: my thinking. Though it may have still another source of
its existence, though it may come from God or from somewhere else; that it is
there in that sense in which I myself bring it forth, of this I am certain.
Descartes had at first no justification for imputing another meaning to his
statement. He could only maintain that, within the content of the world I
grasp myself in my thinking as within an activity most inherently my own.
What the attached therefore I am is supposed to mean has been much
disputed. It can mean something, however, on one condition only. The simplest
statement I can make about a thing is that it is, that it exists. How
then this existence is to be more closely determined cannot be stated right
away with respect to anything that comes onto the horizon of my experiences.
One must first examine every object in its relationship to others, in order
to be able to determine in which sense it can be spoken of as something
existing. An occurrence one experiences may be a sum of perceptions, but also
a dream, a hallucination, and so on. In short, I cannot say in which sense it
exists. This I cannot conclude from the occurrence itself, but rather I will
learn this when I look at the occurrence in relation to other things. There
again, however, I can know no more than how it stands in relation to
these things. My searching first comes onto firm ground when I find an object
from which I can derive the sense of its existence out of it itself. This I
am myself, however, in that I think, for I give to my existence the definite,
self-sustaining content of thinking activity. Now I can take my start from
there and ask whether the other things exist in the same or in a different
sense.
*Geistestätigkeit
When one makes
thinking the object of observation, one adds to the rest of the observed
content of the world something that otherwise eludes one's attention;
one does not change, however, the way in which the human being conducts
himself, also with respect to the other things. One adds to the number of
objects of observation, but not to the method of observation. While we are
observing the other things, there is mingling with world happening* (to which
I now reckon on observation as well) — a process that is overlooked.
There is something present, different form all other happening, that is not
taken into account. When I look at my thinking, however, there is no such
element present that has not been taken into account. For, what is hovering
now in the background is itself again only thinking. The observed object is
qualitatively the same as the activity that directs itself upon it. And that
is again a unique characteristic of thinking. When we make it an object to be
looked at, we do not find ourselves compelled to do this with the help of
something qualitatively different, but rather we can remain within the same
element.
*Weltgeschehen
When I weave
into my thinking an object given without my participation, I go beyond my
observation, and the question becomes: What gives me the right to do this?
Why do I not simply let the object affect me? In what way is it possible that
my thinking has a relation to the object? Those are the questions which each
person must ask himself who reflects upon his own thought processes. They
fall away when one reflects upon thinking itself. We add to thinking nothing
foreign to it, and therefore do not also have to justify any such addition to
ourselves.
Schelling says
that to know nature means to create nature. — Whoever takes literally
these words of this bold philosopher will certainly have to renounce all
knowledge of nature forever. For nature is already there once, and in order
to create it a second time one must know the principles by which it has
arisen. For a nature that one wanted first to create, one would have to
detect, from the nature already existing, the conditions of its existence.
This detecting, that would have to precede the creating, would however be
knowing nature, and would indeed still be knowing nature in the case where,
after the detecting is completed, the creating did not take place at all.
Only a nature not yet present could one create before knowing it.
What is
impossible with respect to nature, namely, creating before knowing, we do
accomplish with respect to thinking. If we wanted to wait with thinking until
we knew it, we would never come to it. We must resolutely proceed with
thinking, in order afterward, by means of observation of what we ourselves
have done, to come to knowledge of it. We ourselves first create an object
for thinking to observe. The existence of all other objects has been provided
without our participation.
Someone could
easily oppose my statement that we must think before we can look at thinking,
with another, and consider it equally valid, namely, that we cannot wait with
digesting either until we have observed the occurrence of digestion. That
would be similar to the objection which Pascal made to Descartes when he
declared that one could also say, “I take a walk, therefore I
am.” Certainly I must also resolutely digest before I have studied the
physiological process of digestion. But that could only be compared with
looking at thinking if I did not afterward want to look, in thinking, at the
digestion, but rather wanted to eat and digest it. And it is in fact not
without reason that while digestion cannot become the object of digestion,
thinking can very well become the object of thinking.
It is
therefore beyond any doubt that in thinking we grasp world happening by one
tip where we must be present if something is to come about. And that is after
all exactly the point. That is exactly the reason why things confront me as
such a riddle: because I am so uninvolved in their coming about. I simply
find them before me; with thinking, however, I know how it is done. Thus
there is no starting point for looking at all world happening[s] more primal
than thinking.
I would like
still to mention a widespread error prevailing with respect to thinking. It
consists in the statement that thinking, as it is in itself, is nowhere given
us. The thinking which joins the observations we make of our experiences and
interweaves them with a web of concepts, is said to be not at all the same as
that thinking which we afterwards lift out of the objects of observation
again and make the object of our study. What we first weave unconsciously
into the things is said to be something entirely different from what we then
extricate from them again with consciousness.
Whoever draws
these conclusions does not grasp the fact that it is not possible at all for
him to escape thinking in this way. I absolutely cannot get outside of
thinking if I want to look at thinking. If one makes a distinction between
thinking as it is prior to my consciousness of it, and the thinking of which
I am afterwards conscious, one should not then forget, in doing so, that this
distinction is entirely superficial and has absolutely nothing to do with the
matter itself. I do not in any way make a thing into a different one through
the fact that I look at it in thinking. I can imagine that a being with sense
organs of a completely different sort and with an intelligence that functions
differently would have an entirely different mental picture of a horse than I
do, but I cannot imagine to myself that my own thinking becomes a different
one through the fact that I observe it. I myself observe what I myself carry
out. How my thinking looks to an intelligence other than my own is not the
question now; the question here is how it looks to me. In any case, however,
the picture of my thinking within another intelligence cannot be truer
than my own picture. Only if I were not myself the thinking being, but rather
were to approach the thinking as an activity of a being foreign to me, could
I saw that my picture of the thinking arises in a particular way, but that I
could not know how the thinking of the being in itself is.
But so far
there is not the slightest motivation for me to look upon my own thinking
from another standpoint. I consider, indeed, all the rest of the world with
the help of thinking. How should I make an exception to this in the case of
my thinking?
With this I
consider it to be well enough justified that I take my start from thinking in
my consideration of the world. When Archimedes had discovered the lever, he
believed that, with its help, he could lift the whole cosmos from its hinges,
if he could only find a point upon which to rest his instrument. He needed
something that is supported through itself, not through something else. In
thinking we have a principle that exists in and through itself. Let us start
here in our attempt to comprehend the world. Thinking we can grasp through
thinking itself. The question is only whether through it we can also
apprehend something else as well.
I have spoken
until now about thinking without taking any account of its bearer, human
consciousness. Most philosophers of the present day will object that, before
there can be a thinking, there must be a consciousness. Therefore
consciousness and not thinking should be the starting point. There would be
no thinking without consciousness. I must reply to this that if I want to
clarify what the relationship is between thinking and consciousness, I must
think about it. I thereby presuppose thinking. Now one can certainly respond
to this that if the philosopher wants to understand consciousness, he
then makes use of thinking; to this extent he does presuppose it; in the
usual course of life, however, thinking arises within consciousness and
thereby presupposed it. If this answer were given to the world creator, who
wanted to create thinking, it would without a doubt be justified. One cannot
of course let thinking arise without having brought about consciousness
beforehand. For the philosopher, however, it is not a matter of creating the
world, but of understanding it. He must therefore seek the starting point not
for creating, but rather for understanding the world. I find it altogether
strange when someone reproaches the philosopher for concerning himself before
all else with the correctness of his principles, rather than working
immediately with the objects he wants to understand. The world creator had to
know above all how he could find a bearer for thinking; the philosopher,
however, must seek a sure basis from which he can understand what is already
there. What good does it do us to start with consciousness and to subject it
to our thinking contemplation, if we know nothing beforehand about the
possibility of gaining insight into things through thinking
contemplation?
We must first
of all look at thinking in a completely neutral way, without any relationship
to a thinking subject or conceived object. For in subject and object we
already have concepts that are formed through thinking. It is undeniable
that, before other things can be understood, thinking must be
understood. Whoever does deny this, overlooks the fact that he, as human
being, is not a first member of creation but its last member. One cannot,
therefore, in order to explain the world through concepts, start with what
are in time the first elements of existence, but rather with what is most
immediately and intimately given us. We cannot transfer ourselves with one
bound to the beginning of the world in order to begin our investigations
there; we must rather start form the present moment and see if we can ascend
from the later to the earlier. As long as geology spoke of imagined
revolutions in order to explain the present state of the earth, it was
groping in the dark. Only when it took as its starting point the
investigation of processes which are presently still at work on the earth and
drew conclusions about the past from these, did it gain firm ground. As long
as philosophy assumes all kinds of principles, such as atoms, motion, matter,
will, or the unconscious, it will hover in the air. Only when the philosopher
regards the absolute last as his first, can he reach his goal. This absolute
last, however, to which world evolution has come is thinking.
There are
people who say that we cannot, however, really determine with certainty
whether our thinking is in itself correct or not. That to this extent,
therefore, the starting point remains in any case a dubious one. That makes
exactly as much sense as it would to harbor a doubt as to whether a tree is
in itself correct or not. Thinking is a fact; and to speak of the correctness
or incorrectness of a fact makes no sense. At most I can have doubts about
whether thinking is put to a correct use, just as I can doubt whether a
particular tree will provide wood appropriate for use in a certain tool. To
show to what extent my use of thinking with respect to the world is a correct
or incorrect one is precisely the task of this book. I can understand it if
someone harbors doubt that something can be determined about the world
through thinking; but it is incomprehensible to me how someone can doubt the
correctness of thinking in itself.
Addendum to
the Revised Edition of 1918. In the preceding considerations the
momentous difference between thinking and all other soul activities is
pointed to as a fact that reveals itself to a really unprejudiced
observation. Whoever does not strive for this unprejudiced observation will
be tempted to raise objections against these considerations like the
following: When I think about a rose this still expresses only a relationship
of my “I” to the rose, just as when I feel the beauty of the
rose. There exists in exactly the same way a relationship between
“I” and object in thinking as there is for example in feeling or
perceiving. Whoever makes this objection does not take into consideration
that only in the activity of thinking does the “I” know
itself to be of one being with what is active, right into every
ramification of the activity. With no other soul activity is this absolutely
the case. When, for example, a pleasure is felt, a more sensitive observation
can very well distinguish to what extent the “I” knows itself as
one with something active, and to what extent something passive is present in
the “I” in such a way that the pleasure merely happens to the
“I.” And it is also like this with the other soul activities. One
should only not confuse “having thought pictures” with working
through thoughts in thinking. Thought pictures can arise in the soul in a
dream-like way, like vague intimations. This is not thinking. —
To be sure, someone could say now that if thinking is meant in this way, then
will is present in thinking, and one has then to do not merely with thinking,
but also with the will in thinking. This, however, would only justify us in
saying that real thinking must always be willed. But this has nothing to do
with the characterization of thinking made in this book. The nature of
thinking may in fact necessitate that thinking be willed; the point is that
nothing is willed which, as it is taking place, does not appear before
the ‘I” as totally its own surveyable activity. One must even say
in fact, because of the nature of thinking presented here, that
thinking appears to the observer as willed, through and through.
Whoever makes an effort really to see into everything that comes into
consideration for an evaluation of thinking, cannot but perceive that the
characteristic spoken of here does apply to this soul activity.
A personality
valued very highly as a thinker by the author of this book has raised the
objection that thinking cannot be spoken of in the way it is done here,
because what one believes oneself to be observing as active thinking is only
a semblance. In actuality one is observing only the result of an unconscious
activity that underlies thinking. Only because this unconscious activity is
in fact not observed, does the illusion arise that the observed thinking
exists in and through itself, in the same way that one believes one sees a
motion when a line of single electric sparks is set off in quick succession.
This objection is also based upon an inexact view of the actual situation.
Whoever makes it does not take into account that it is the “I”
itself that, standing within thinking, observes its own activity. The
“I” would have to stand outside of thinking if it could be fooled
as in the case of the quick succession of the light of electric sparks. One
could go still further and say that whatever makes such an analogy is
deluding himself mightily, like someone, for example, who truly wanted to
maintain of a light in motion, that it is newly lit, by unknown hand, at every
point where it appears, — No, whoever wants to see in thinking something
other than that which is brought forth within the “I” itself as a
surveyable activity, such a person would have to first blind himself to the
plain facts observable before him, in order then to be able to base thinking
upon a hypothetical activity. Whoever does not blind himself in this way must
recognize that everything which he “thinks onto” thinking in this
way leads him out of the being of thinking. Unprejudiced observation shows
that nothing can be attributed to the being of thinking that is not found
within thinking itself. One cannot come to something that
causes thinking, if one leaves the realm of thinking.
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