Preface to the 1918 Edition
The thoughts from which the presentation of the content of this book
have grown and that form its basic support have been indicated in the
Preface of the 1914 edition following this. To what was said then, I
should like to add something connected with a question that lives more
or less consciously in the soul of one who turns to a book on the
riddles of philosophy. It is the question of the relation of
philosophical contemplation to immediate life. Every
philosophical thought that is not demanded by this life is condemned
to remain barren even if it should attract for awhile a few readers of
contemplative inclination. A fruitful thought must have its roots in
the processes of development that mankind as a whole has to undergo in
the course of its historical evolution. Whoever intends to depict the
history of the evolution of philosophical thought from any kind of
viewpoint can, for this purpose only, rely on such thoughts as are
demanded by life itself. They must be thoughts that, when carried into
the conduct of life, will penetrate man in such a way that he gains
from them energies capable of directing his knowledge. They must
become his advisors and helpers in the task of his existence. Because
mankind needs such thoughts, philosophical world views have come into
existence. If it were possible to master life without them, man would
never have been inwardly justified to think of the Riddles of
Philosophy. An age that is unwilling to think such thoughts
shows through this fact merely that it does not feel the need to form
human life in such a way that it can really unfold itself in all
directions according to its original destination. But for such a
disinclination, a heavy penalty must be paid in the course of human
evolution. Life remains undeveloped in such ages, and men do not
notice their sickly state because they are unwilling to recognize the
demands that nevertheless continue to exist deeply seated within them
and that they just fail to satisfy. A following age shows the effect
of such a neglect. The grandchildren find in the formation of a
stunted life something that was caused by the omission of the
grandparents. This omission of the preceding age has turned into the
imperfect life of the later time into which the grandchildren find
themselves placed. In life as a whole, philosophy must rule. It
is possible to sin against this demand, but it is inevitable that this
sin will produce its effects.
We shall only understand the course of the development of
philosophical thought, the existence of the Riddles of
Philosophy, if we have a feeling for the significance that the
philosophical contemplation of the world possesses for a whole, full
human existence. It is out of such a feeling that I have written about
the development of the riddles of philosophy. I have attempted to show
through the presentation of this development that such a feeling is
inwardly justified.
Against this feeling there will emerge from the outset in the minds of
some readers a certain dampening objection that at first sight seems
to be based on fact. Philosophical contemplation is supposed to be a
necessity of life, but in spite of this, the endeavor of human thought
in the course of its development does not produce clear-cut and
well-defined solutions to the riddles of philosophy. Rather are they
ambiguous and apparently contradictory. There are many historical
analyses that attempt to explain the only too apparent contradictions
through superficially formed ideas of evolution. They are not
convincing. To find one's way in this field, evolution must be taken
much more seriously than is usually the case. One must arrive at the
insight that there cannot be any thought that would be capable of
solving the riddles of the universe once and for all times in an
all-comprehensive way. Such is the nature of human thinking that a
newly found idea will soon transform itself in turn into a new riddle.
The more significant the idea is, the more light it will yield for a
certain time; the more enigmatic, the more questionable it will become
in a following age.
Whoever wants to view the history of human thought development from a
fruitful point of view must be able to admire the greatness of an idea
in one age, and yet be capable of producing the same enthusiasm in
watching this idea as it reveals its shortcoming in a later period. He
must also be able to accept the thought that the mode of thinking to
which he himself adheres will be replaced in the future by an entirely
different one. This thought must not divert him from recognizing fully
the truth of the view that he has conquered for himself.
The disposition of mind that is inclined to believe that thoughts of
an earlier time have been disposed of as imperfect by the
perfect ones of the present age, is of no help for
understanding the philosophical evolution of mankind.
I have attempted to comprehend the course of human thought development
by grasping the significance of the fact that a following age
contradicts philosophically the preceding one. In the introductory
exposition, Guiding Thoughts of the Presentation, I have stated
which ideas make such a comprehension possible. The ideas are of such
a nature that they will necessarily find a great deal of resistance.
At first acquaintance they will have the appearance of something that
just occurred to me and that I now wanted to force in a fantastic
manner on the whole course of the history of philosophy. Nevertheless,
I can only hope that one will find that the ideas are not thought up
as preconceived and then superimposed on the view of philosophical
development, but that they have been obtained in the same way in which
the natural scientist finds his laws. They have their source in the
observation of the evolution of philosophy. One has no right to
reject the results of an observation because they are in disagreement
with ideas that one accepts as right because of some kind of
inclination of thought without observation. Opposition to my
presentation will be based on the superstitious denial of the
existence of forces in human history that manifest themselves in
certain specific ages, and dominate effectively the development of
human thought in a meaningful and necessary way. I had to accept such
forces because the observation of this development had proved their
existence to me, and because this observation made apparent to me the
fact that the history of philosophy will only become a science if one
does not shrink back from recognizing forces of this kind.
It seems to me that it is only then possible to gain a tenable
attitude toward the riddles of philosophy, fruitful for life at the
present time, if one knows the forces that dominated the ages of the
past. In the history of thought, more than in any other branch of
historical reflection, it is necessary to let the present grow out of
the past. For in the comprehension of those ideas that satisfy the
demand of the present, we have the foundation for the insight that
spreads the right light over the past. The thinker who is incapable of
obtaining a philosophical viewpoint that is adequate to the dominating
impulses of his own age will also be unable to discover the
significance of the intellectual life of the past. I shall here leave
the question undecided whether or not in some other field of
historical reflection a presentation can be fruitful that does not at
least have a picture of the present situation in this field as a
foundation. In the field of the history of thought, such a procedure
would be meaningless. Here the object of the reflection must
necessarily be connected with the immediate life, and this life, in
which thought becomes actual as practice of life, can only be that of
the present.
With these words I have meant to characterize the feeling out of which
this presentation of the riddles of philosophy grew. Because of the
short time since the last edition, there is no occasion for change or
additions to the content of the book.
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