As soon as the disjunction is decided by a yes, the desire which lies at its basis, and which in the condition of consciousness is arrested, passes over into activity. All consciousness is based on interest, and in its origin is "arrested impulse" (Triebhemmung). "The direction of impulse to an intuition to be expected only in the future is called consciousness." The rank of a being depends on its capacity for reflection: the greater the extent of its attention and the smaller the stimuli which suffice to rouse this to action, the higher it stands. Impulse—this is the fundamental idea of Fortlage's psychology, like will with Fichte, and representation with Herbart—consists of an element of representation and an element of feeling.
Pleasure + effort-image = impulse.
[Footnote 1: Among Fortlage's other works we may mention his valuable History of Poetry, 1839; the Genetic History of Philosophy since Kant, 1852; and the attractive Six Philosophical Lectures, 1869, 2d ed., 1872.]
In his metaphysical convictions, to which he gave expression in his Exposition and Criticism of the Arguments for the Existence of God, 1840, among other works, Fortlage belongs to the philosophers of identity. Originally sailing in Hegel's wake, he soon recognizes that the roots of the theory of identity go back to the Kantio-Fichtean philosophy, with which the system of absolute truth, as he holds, has come into being. He thus becomes an adherent of the Science of Knowledge, whose deductive results he finds inductively confirmed by psychological experience. Psychology is the empirical test for the metaphysical calculus of the Science of Knowledge. In regard to the absolute Fortlage is in agreement with Krause, the younger Fichte, Ulrici, etc., and calls his standpoint transcendent pantheism. According to this all that is good, exalted, and valuable in the world is divine in its nature; the human reason is of the same essence as the divine reason (there can be nothing higher than reason); the Godhead is the absolute ego of Fichte, which employs the empirical egos as organs, which thinks and wills in individuals, in so far as they think the truth and will the good, but at the same time as universal subject goes beyond them. If, after the example of Hegel, we give up transcendent pantheism in favor of immanence, two unphilosophical modes of representing the absolute at once result—on the one hand, materialism; on the other, popular, unphilosophical theism. If the Fichtean Science of Knowledge could be separated from its difficult method, which it is impossible ever to make comprehensible to the unphilosophical mind, it would be called to take the place of religion.[1]
[Footnote 1: Among Fortlage's posthumous manuscripts was one on the Philosophy of Religion, on which Eucken published an essay in the Zeitschrift für Philosophie, vol. lxxxii. 1883, p. 180 seq. after Lipsius had given a single chapter from it—"The Ideal of Morality according to Christianity"—in his Jahrbücher für protestantische Theologie (vol. ix. pp. 1-45). The journals Im Neuen Reich, 1881, No. 24, and Die Gegenwart, 1882, No. 34, contained warmly written notices of Fortlage by J. Volkelt. Leopold Schmid (in Giessen, died 1869) gives a favorable and skillfully composed outline of Fortlage's system in his Grundzüge der Einleitung in die Philosophie mit einer Beleuchtung der von K. Ph. Fischer, Sengler, und Fortlage ermöglichten Philosophie der That, 1860, pp. 226-357. Cf. also Moritz Brasch, K. Fortlage, Ein philosophisches Charakterbild, in Unsere Zeit, 1883, Heft II, pp. 730-756, incorporated in the same author's Philosophie der Gegenwart, 1888.]
%2. Realism: Herbart.%
Johann Friedrich Herbart was scientifically the most important among the philosophers of the opposition. Herbart was born at Oldenburg in 1776, the son of a councilor of justice, and had already become acquainted with the systems of Wolff and Kant before he entered the University of Jena in 1794. In 1796 he handed in to his instructor Fichte a critique of two of Schelling's treatises, in which the youthful thinker already broke away from idealism. While a private tutor in Switzerland he made the acquaintance of Pestalozzi. In 1802 he habilitated in Göttingen, where, in 1805, he was promoted to a professorship extraordinary; while in 1809 he received the professorship in Königsberg once held by Kant, and later by W. Tr. Krug (died 1842). He died in 1841 at Göttingen, whither he had been recalled in 1833. His Collected Works were published in twelve volumes, 1850-52 (reprinted 1883 seq.), by his pupil Hartenstein, who has also given an excellent exposition of his master's system in his Probleme und Grundlehren der allgemeinen Metaphysik, 1836, and his Grundbegriffe der ethischen Wissenschaften, 1844; a new edition, in chronological order, and under the editorship of K. Kehrbach, began to appear in 1882, or rather 1887, and has now advanced to the fourth volume, 1891. Herbart's chief works were written during his Königsberg residence: the Text-book of Introduction to Philosophy, 1813, 4th ed., 1837 (very valuable as an introduction to Herbartian modes of thought); General Metaphysics, 1829 (preceded in 1806 and 1808 by The Principal Points in Metaphysics, with a supplement, The Principal Points in Logic); Text-book of Psychology,[1] 1816, 2d ed., 1834; On the Possibility and Necessity of applying Mathematics to Psychology, 1822; Psychology as a Science, 1824-25. The two works on ethics, which were widely separated in time, were, on the other hand, written in Göttingen: General Practical Philosophy, 1808; Analytical Examination of Natural Right and of Morals, 1836. To these may be added a Discourse on Evil, 1817; Letters on the Doctrine of the Freedom of the Human Will, 1836; and the Brief Encyclopaedia of Philosophy, 1831, 2d ed., 1841. His works on education and instruction, whose influence and value perhaps exceed those of his philosophical achievements (collected editions of the pedagogical works have been prepared by O. Willmann, 1873-75, 2d ed., 1880; and by Bartholomaei), extended through his whole life. Besides pedagogics, psychology was the chief sphere of his services.
[Footnote 1: English translation by M.K. Smith, 1891.]
In antithesis to the philosophy of intuition with its imagined superiority to the standpoint of reflection, Herbart makes philosophy begin with attention to concepts, defining it as the elaboration of concepts. Philosophy, therefore, is not distinguished from other sciences by its object, but by its method, which again must adapt itself to the peculiarity of the object, to the starting point of the investigation in question—there is no universal philosophical method. There are as many divisions of philosophy as there are modes of elaborating concepts. The first requisite is the discrimination of concepts, both the discrimination of concepts from others and of the marks within each concept. This work of making concepts clear and distinct is the business of logic. With this discipline, in which Herbart essentially follows Kant, are associated two other forms of the elaboration of concepts, that of physical and that of aesthetic concepts. Both of these classes require more than a merely logical elucidation. The physical concepts, through which we apprehend the world and ourselves, contain contradictions and must be freed from them; their correction is the business of meta-physics. Metaphysics is the science of the comprehensibility of experience. The aesthetic (including the ethical) concepts are distinguished from the nature-concepts by a peculiar increment which they occasion in our representation, and which consists in a judgment of approval or disapproval. To clear up these concepts and to free them from false allied ideas is the task of aesthetics in its widest sense. This includes all concepts which are accompanied by a judgment of praise or blame; the most important among them are the ethical concepts. Thus, aside from logic, we reach two principal divisions of philosophy, which are elsewhere contrasted as theoretical and practical, but here in Herbart as metaphysics and aesthetics. Herbart maintains that these are entirely independent of each other, so that aesthetics, since it presupposes nothing of metaphysics, may be discussed before metaphysics, while the philosophy of nature and psychology depend throughout on ontological principles. Together with natural theology the two latter sciences constitute "applied" metaphysics. This in turn presupposes "general" metaphysics, which subdivides into four parts: Methodology, Ontology, Synechology, i.e., the theory of the continuous ([Greek: suneches]), which treats of the continua, space, time, and motion, and Eidolology, i.e., the theory of images or representations. The last forms the transition to psychology, while synechology forms the preparation for the philosophy of nature, whose most general problems it solves. Our exposition will not need to observe these divisions closely.
Metaphysics starts with the given, but cannot rest content with it, for it contains contradictions. In resolving these we rise above the given. What is given? Kant has not answered this question with entire correctness. We may, indeed, term the totality of the given "phenomena," but this presupposes something which appears. If nothing existed there would also nothing appear. As smoke points to fire, so appearance to being. So much seeming, so much indication of being. Things in themselves may be known mediately, though not immediately, by following out the indications of being contained by the given appearance. Further, not merely the unformed matter of cognition is given to us, but it is rather true that everything comes under this concept which experience so presses on us that we cannot resist it; hence not merely single sensations, but entire sensation-groups, not merely the matter, but also the forms of experience. If the latter were really subjective products, as Kant holds, it would necessarily be possible for us at will to think each perceptive-content either under the category of substance, or property, or cause—possible for us, if we chose, to see a round table quadrilateral. In reality we are bound in the application of these forms; they are given for each object in a definite way. The given forms—Herbart calls them experience-concepts—contain contradictions. How can these contradictions be removed? We may neither simply reject the concepts which are burdened with contradictions, for they are given, nor leave them as they are, for the logical principium contradictionis requires that the contradiction as such be rooted out. The experience-concepts are valid (they find application in experience), but they are not thinkable. Therefore we must so transform and supplement them that they shall become free from contradictions and thinkable. The method which Herbart employs to remove the contradictions is as follows: The contradiction always consists in the fact that an a should be the same as a b, but is not so. The desiderated likeness of the two is impossible so long as we think a as one thing. That which is unsuccessful in this case will succeed, perhaps, if in thought we break up the a into several things—[Greek: a b g]. Then we shall be able to explain through the "together" (Zusammen) of this plurality what we were unable to explain from the undecomposed a, or from the single constituents of it. The "together" is a "relation" established by thought among the elements of the real. For this reason Herbart terms his method of finding out necessary supplements to the given "the method of relations." Another name for the same thing is "the method of contingent aspects." Mechanics operates with contingent aspects when, for the sake of explanation, it resolves a given motion into several components. Such fictions and substitutions—auxiliary concepts, which are not real, but which serve only as paths for thought—may be successfully employed by metaphysics also. The abstract expression of this method runs: The contradiction is to be removed by thinking one of its members as manifold rather than as one. In order to observe the workings of this Herbartian machine we shall go over the four principal contradictions by which his acuteness is put to the test—the problems of inherence, of change, of the continuous, of the ego.