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especially in Chapters X. and XI. of Part I., suggested by further reflexion and self-criticism.
But I have refrained from introducing corrections or additions of such a kind as to alter the original plan of the book, which was, or was meant to be, a complete but brief æsthetic theory set in the framework of a general sketch of a Philosophy of the Spirit.
The reader who desires a complete statement of the general or collateral doctrines or a more particular exposition of the other parts of philosophy (e.g. the lyrical nature of art) is now referred to the volumes on Logic and the Philosophy of Practice, which together with the present work compose the Philosophy of the Spirit which in the author's opinion exhausts the entire field of Philosophy. The three volumes were not conceived and written simultaneously; if they had been, some details would have been differently arranged. When I wrote the first I had no idea of giving it, as I have now done, two such companions; and I therefore designed it to be, as I say, complete in itself. In the second place, the present state of the study of Æsthetic made it desirable to append to the theoretical exposition a somewhat full history of the science, whereas for the other parts of Philosophy I was able to restrict myself to brief historical notes merely designed to show how, from my point of view, such a history would best be composed. Lastly, there are many things which now, after a systematic exposition of the various philosophical sciences, I see in closer connexions and in a clearer, or at least a different, light; a certain hesitation and even some doctrinal errors visible here and there in the Æsthetic, especially where subjects foreign to Æsthetic itself are being treated, would now no longer be justified. For all these reasons the three volumes, in spite of their substantial unity of spirit and of aim, have each its own physiognomy, and show marks of the different periods of life at which they were written, so as to group themselves, and to demand interpretation, as a progressive series according to their dates of publication.
With what may be called the minor problems of Æsthetic, and the objections which have been or might be brought against my theory, I have dealt and am continuing to deal in special essays, of which I shall shortly publish a first collection which will form a kind of explanatory and polemical appendix to the present volume.
In revising this book once more for a fourth edition, I take the opportunity of announcing that the supplementary volume of essays promised above was published in 1910 under the title Problems of Æsthetic and Contributions to the History of Æsthetic in Italy.
B. C. May 1911.
INTUITION AND EXPRESSION
KNOWLEDGE has two forms: it is either intuitive know- Intuitive ledge or logical knowledge ; knowledge obtained through
knowledge. the imagination of knowledge obtained through the intellect; knowledge of the individual or knowledge of the universal ; of individual things or of the relations between them : it is, in fact, productive either of images or of concepts.
In ordinary life, constant appeal is made to intuitive knowledge. It is said that we cannot give definitions of certain truths; that they are not demonstrable by syllogisms; (that they must be learnt intuitively.) The politician finds fault with the abstract reasoner, who possesses no lively intuition of actual conditions ; the educational theorist insists upon the necessity of developing the intuitive faculty in the pupil before everything else ; the critic in judging a work of art makes it a point of honour to set aside theory and abstractions, and to judge it by direct intuition; the practical man professes to live rather by intuition than by reason.
But this ample acknowledgment granted to intuitive knowledge in ordinary life, does not correspond to an equal and adequate acknowledgment in the field of theory and of philosophy. There exists a very ancient science of intellectual knowledge, admitted by all without discussion, namely, Logic; but a science of intuitive knowledge is timidly and with difficulty asserted by but a few. Logical knowledge has appropriated the lion's share ; and if she does not slay and devour her