Schleiermacher's philosophy is a rendezvous for the most diverse systems. Side by side with ideas from Kant, Fichte, and Schelling we meet Platonic, Spinozistic, and Leibnitzian elements; even Jacobi and the Romanticists have contributed their mite. Schleiermacher is an eclectic, but one who, amid the fusion of the most diverse ideas, knows how to make his own individuality felt. In spite of manifold echoes of the philosophemes of earlier and of contemporary thinkers, his system is not a conglomeration of unrelated lines of thought, but resembles a plant, which in its own way works over and assimilates the nutritive elements taken up from the soil. Schleiermacher is attractive rather than impressive; he is less a discoverer than a critic and systematizer. His fine critical sense works in the service of a positive aim, subserves a harmonizing tendency; he takes no pleasure in breaking to pieces, but in adjusting, limiting, and combining. There is no one of the given views which entirely satisfies him, none which simply repels him; each contains elements which seem to him worthy of transformation and adoption. When he finds himself confronted by a sharp conflict of opinion, he seeks by careful mediation to construct a whole out of the two "half truths," though this, it is true, does not always give a result more satisfactory than the partial views which he wishes to reconcile. A single example may be given of this conciliatory tendency: space, time, and the categories are not only subjective forms of knowledge, but at the same time objective forms of reality. "Not only" is the watchword of his philosophy, which became the prototype of the numberless "ideal realisms" with which Germany was flooded after Hegel's death. If the skeptical and eclectic movements, which constantly make their appearance together, are elsewhere divided among different thinkers, they here come together in one mind in the form of a mediating criticism, which, although it argues logically, is yet in the end always guided by the invisible cords of a feeling of justice in matters scientific. In its weaker portions Schleiermacher's philosophy is marked by lack of grasp, pettiness, and sportiveness. It lacks courage and force, and the rare delicacy of the thought is not entirely able to compensate for this defect. In its fear of one-sidedness it takes refuge in the arms of an often faint-hearted policy of reconciliation.

We shall not discuss the specifically theological achievements of this many-sided man, nor his great services in behalf of the philological knowledge of the history of philosophy—through his translation of Plato, 1804-28, and a series of valuable essays on Greek thinkers—but shall confine our attention to the leading principles of his theory of knowledge, of religion, and of ethics.

The Dialectic[1] (edited by Jonas, 1839), treats in a transcendental part and a technical or formal part of the concept and the forms of knowledge. Knowledge is thought. What distinguishes that thought which we call knowledge from that other thought which does not deserve this honorable title, from mere opinion? Two criteria: its agreement with the thought of other thinkers (its universality and necessity), and its agreement with the being which is thought in it. That thought alone is knowledge which is represented as necessarily valid for all who are capable of thought, and as corresponding to a being or reproducing it. These two agreements (among thinkers, and of thought with the being which is thought) are the criteria of knowledge—let us turn now to its factors. These are essentially the two brought forward by Kant, sensibility and understanding; Schleiermacher calls them the organic function and the intellectual function. The organic activity of the senses furnishes us, in sensations, the unordered, manifold material of knowledge, which is formed and unified by the activity of reason. If we except two concepts which limit our knowledge, chaos and God—absolute formlessness or chaos is an idea just as incapable of realization as absolute unity or deity—every actual cognition is a product of both factors, of the sensuous organization and of reason. But these two do not play equal parts in every cognitive act. When the organic function is predominant we have perception; when the intellectual function predominates we have thought in the strict sense. A perfect balance of the two would be intuition, which, however, constitutes the goal of knowledge, never fully to be realized. These two kinds of knowledge, therefore, are not specifically, but only relatively, different: in all perception reason is also active, and in all thought sensibility, only to a less degree than the opposite function. Moreover, perception and thought, or sensibility and reason, are by no means to relate to different objects. They have the same object, only that the organic activity represents it as an indefinite, chaotic manifold, while the activity of reason (whose work consists in discrimination and combination), represents it as a well-ordered multiplicity and unity. It is the same being which is represented by perception in the form of an "image," and by thought in the form of a "concept." In the former case we have the world as chaos; in the latter, we have it as cosmos. Inasmuch as the two factors in knowledge represent the same object in relatively different ways, it may be said of them that they are opposed to each other, and yet identical. The same is true of the two modes of being which Schleiermacher posits as real and ideal over against the two factors in thought. The real is that which corresponds to the organic function, the ideal that which corresponds to the activity of reason. These forms of being also are opposed, and yet identical. Our self-consciousness gives clear proof of the fact that thought and being can be identical; in it, as thinking being, we have the identity of the real and the ideal, of being and thought immediately given. As the ego, in which the subject of thought and the object of thought are one, is the undivided ground of its several activities, so God is the primal unity, which lies at the basis of the totality of the world. As in Schelling, the absolute is described as self-identical, absolute unity, exalted above the antithesis of real and ideal, nay, above all antitheses. God is the negation of opposites, the world the totality of them. If there were an adequate knowledge of the absolute identity it would be an absolute knowledge. This is denied, however, to us men, who are never able to rise above the opposition of sensuous and intellectual cognition. The unity of thought and being is presupposed in all thinking, but can never actually be thought. As an Idea this identity is indispensable, but to think it definitely, either by conception or judgment, is impossible. The concepts supreme power (God or creative nature) and supreme cause (fate or providence) do not attain to that which we seek to think in them: that which has in it no opposition is an idea incapable of realization by man, but, nevertheless, a necessary ideal, the presupposition of all cognition (and volition), and the ground of all certitude. All knowledge must be related to the absolute unity and be accompanied by it. Since, then, the absolute identity cannot be presented, but ever sought for only, and absolute knowledge exists only as an ideal, dialectic is not so much a science as a technique of thought and proof, an introduction to philosophic thinking or (since knowledge is thought in common) to discussion in conformity with the rules of the art. With this the name dialectic returns to its original Platonic meaning.

[Footnote 1: Cf. Quaebicker, Ueber Schleiermachers erkeuntnisstheoretische Grundansicht, 1871, and the Inquiries by Bruno Weiss in the Zeitschrift für Philosophie, vols. lxxiii.-lxxv., 1878-79.]

The popular ideas of God ill stand examination by the standard furnished by the principle of identity. The plurality of attributes which we are accustomed to ascribe to God agree but poorly with his unity free from all contrariety. In reality God does not possess these manifold attributes; they first arise in the religious consciousness, in which his unconditioned and undivided working is variously reflected and, as it were, divided. They are only the various reflections of his undivided nature in the mind of the observer. In God ability and performance, intelligence and will, his thought of self and his thought of the world coincide in one. Even the concept of personality must not be ascribed to God, since it is a limitation of the infinite and belongs to mythology; while the idea of life, on the contrary, is allowable as a protection against atheism and fatalism. When Schleiermacher, further, equates the activity of God and the causality of nature he ranges himself on the pantheistic side in regard to the question of the "immanence or transcendence of God," without being willing to acknowledge it. It sounds Spinozistic enough when he says: God never was without the world, he exists neither before nor outside it, we know him only in us and in things. Besides that which he actually brings forth, God could not produce anything further, and just as little does he miraculously interfere in the course of the world as regulated by natural law. Everything takes place necessarily, and man is distinguished above other beings neither by freedom (if by freedom we understand anything more than inner necessitation) nor by eternal existence. Like all individual beings, so we are but changing states in the life of the universe, which, as they have arisen, will disappear again. The common representations of immortality, with their hope of future compensation, are far from pious. The true immortality of religion is this—amid finitude to become one with the infinite, and in one moment to be eternal.

Schleiermacher's optimism well harmonizes with this view of the relation between God and the world. If the universe is the phenomenon of the divine activity, then considered as a whole it is perfect; whatever of imperfection we find in it, is merely the inevitable result of finitude. The bad is merely the less perfect; everything is as good as it can be; the world is the best possible; everything is in its right place; even the meanest thing is indispensable; even the mistakes of men are to be treated with consideration. All is good and divine. In this way Schleiermacher weds ideas from Spinoza to Leibnitzian conceptions. From the former he appropriates pantheism, from the latter optimism and the concept of individuality; he shares determinism with both: all events, even the decisions of the will, are subject to the law of necessity.

In the philosophy of religion Schleiermacher created a new epoch by his separation between religion and related departments with which it had often been identified before his time, as it has been since. In its origin and essence religion is not a matter of knowing, further, not a matter of willing, but a matter of the heart. It lies quite outside the sphere of speculation and of practice, coincides neither with metaphysics nor with ethics, is not knowledge and not volition, but an intermediate third: it has its own province in the emotional nature, where it reigns without limitation; its essence is intuition and feeling in undivided unity. In feeling is revealed the presence of the infinite; in feeling we become immediately aware of the Deity. The absolute, which in cognition and volition we only presuppose and demand, but never attain, is actually given in feeling alone as the relative identity and the common ground of cognition and volition. Religion is piety, an affective, not an objective, consciousness. And if certain religious ideas and actions ally themselves with the pious state of mind, these are not essential constituents of religion, but derivative elements, which possess a religious significance only in so far as they immediately develop from piety and exert an influence upon it. That which makes an act religious is always feeling as a point of indifference between knowing and doing, between receptive and forthgoing activity, as the center and junction of all the powers of the soul, as the very focus of personality. And as feeling in general is the middle point in the life of the soul, so, again, the religious feeling is the root of all genuine feeling. What sort of a feeling, then, is piety? Schleiermacher answers: A feeling of absolute dependence. Dependence on what? On the universe, on God. Religion grows out of the longing after the infinite, it is the sense and taste for the All, the direction toward the eternal, the impulse toward the absolute unity, immediate experience of the world harmony; like art, religion is the immediate apprehension of a whole. In and before God all that is individual disappears, the religious man sees one and the same thing in all that is particular. To represent all events in the world as actions of a God, to see God in all and all in God, to feel one's self one with the eternal,—this is religion. As we look on all being within us and without as proceeding from the world-ground, as determined by an ultimate cause, we feel ourselves dependent on the divine causality. Like all that is finite, we also are the effect of the absolute Power. While we stand in a relation of interaction with the individual parts of the world, and feel ourselves partially free in relation to them, we can only receive effects from God without answering them; even our self-activity we have from him. Nevertheless the feeling of dependence is not to be depressing, not humbling merely, but the joyous sense of an exaltation and broadening of life. In our devotion to the universe we participate in the life of the universe; by leaning on the infinite we supplement our finitude—religion makes up for the needy condition of man by bringing him into relation with the absolute, and teaching him to know and to feel himself a part of the whole.

From this elevating influence of religion, which Schleiermacher eloquently depicts, it is at once evident that his definition of it as a feeling of absolute dependence is only half correct. It needs to be supplemented by the feeling of freedom, which exalts us by the consciousness of the oneness of the human reason and the divine. It is only to this side of religion, neglected by Schleiermacher, that we can ascribe its inspiring influence, which he in vain endeavors to derive from the feeling of dependence. Power can never spring from humility as such. This defect, however, does not detract from Schleiermacher's merit in assigning to religion a special field of spiritual activity. While Kant treats religion as an appendix to ethics, and Hegel, with a one-sidedness which is still worse, reduces it to an undeveloped form of knowledge, Schleiermacher recognizes that it is not a mere concomitant phenomenon—whether an incidental result or a preliminary stage—of morality or cognition, but something independent, co-ordinate with volition and cognition, and of equal legitimacy. The proof that religion has its habitation in feeling is the more deserving of thanks since it by no means induced Schleiermacher to overlook the connection of the God-consciousness with self-consciousness and the consciousness of the world. Schleiermacher's theory, moreover, may be held correct without ignoring the relatively legitimate elements in the views of religion which he attacked. With the view that religion has its seat in feeling, it is quite possible to combine a recognition of the fact that it has its origin in the will, and its basis in morals, and that, further, it has the significance of being (to use Schopenhauer's words) the "metaphysics of the people."

Although religion and piety be made synonymous, it must still be admitted that in a being capable of knowing and willing as well as of feeling, this devout frame will have results in the spheres of cognition and action. In regard to cultus Schleiermacher maintains that a religious observance which does not spring from one's own feeling and find an echo therein is superstitious, and demands that religious feeling, like a sacred melody, accompany all human action, that everything be done with religion, nothing from religion. Instead of expressing itself in single specifically religious actions, the religious feeling should uniformly pervade the whole life. Let a private room be the temple where the voice of the priest is raised. Dogmas, again, are descriptions of pious excitation, and take their origin in man's reflection on his religious feelings, in his endeavor to explain them, in his expression of them in ideas and words. The concepts and principles of theology are valid only as descriptions and presentations of feelings, not as cognitions; by their unavoidable anthropomorphic character alone they are completely unfitted for science. The dogmatic system is an envelopment which religion accepts with a smile. He who treats religious doctrines as science falls into empty mythology. Principles of faith and principles of knowledge are in no way related to one another, neither by way of opposition nor by way of agreement; they never come into contact. A theology in the sense of an actual science of God is impossible. Further, out of its dogmas the Church constructs prescriptive symbols, a step which must be deplored. It is to be hoped that some time religion will no longer have need of the Church. In view of the present condition of affairs it must be said that the more religious a man is the more secular he must become, and that the cultured man opposes the Church in order to promote religion.

So-called natural religion is nothing more than an abstraction of thought; in reality positive religions alone exist. Because of the infinity of God and the finitude of man, the one, universal, eternal religion can only manifest itself in the form of particular historical religions, which are termed revealed because founded by religious heroes, creative personalities, in whom an especially lively religious feeling is aroused by a new view of the universe, and determines (not, like artistic inspiration, single moments, but) their whole existence. Three stages are to be distinguished in the development of religion, according as the world is represented as an unordered unity (chaos), or as an indeterminate manifold of forces and elements (plurality without unity), or, finally, as an organized plurality dominated by unity (system)—fetichism with fatalism, polytheism, mono- (including pan-) theism. Among the religions of the third stadium Islam is physical or aesthetic in spirit; Judaism and Christianity, on the other hand, ethical or teleological. The Christian religion is the most perfect, because it gives the central place to the concept of redemption and reconciliation (hence to that which is essential to religion) instead of to the Jewish idea of retribution.