Every feeling of pity implies the idea of suffering, and the degree of pity is regulated according to the degree more or less of vividness, of truth, of intensity, and of duration of this idea.
1st. The moral faculty is provoked to reaction in proportion to the vividness of ideas in the soul, which incites it to activity and solicits its sensuous faculty. Now the ideas of suffering are conceived in two different manners, which are not equally favorable to the vividness of the impression. The sufferings that we witness affect us incomparably more than those that we have through a description or a narrative. The former suspend in us the free play of the fancy, and striking our senses immediately penetrate by the shortest road to our heart. In the narrative, on the contrary, the particular is first raised to the general, and it is from this that the knowledge of the special case is afterwards derived; accordingly, merely by this necessary operation of the understanding, the impression already loses greatly in strength. Now a weak impression cannot take complete possession of our mind, and it will allow other ideas to disturb its action and to dissipate the attention. Very frequently, moreover, the narrative account transports us from the moral disposition, in which the acting person is placed, to the state of mind of the narrator himself, which breaks up the illusion so necessary for pity. In every case, when the narrator in person puts himself forward, a certain stoppage takes place in the action, and, as an unavoidable result, in our sympathetic affection. This is what happens even when the dramatic poet forgets himself in the dialogue, and puts in the mouth of his dramatic persons reflections that could only enter the mind of a disinterested spectator. It would be difficult to mention a single one of our modern tragedies quite free from this defect; but the French alone have made a rule of it. Let us infer, then, that the immediate vivid and sensuous presence of the object is necessary to give to the ideas impressed on us by suffering that strength without which the emotion could not rise to a high degree.
2d. But we can receive the most vivid impressions of the idea of suffering without, however, being led to a remarkable degree of pity, if these impressions lack truth. It is necessary that we should form of suffering an idea of such a nature that we are obliged to share and take part in it. To this end there must be a certain agreement between this suffering and something that w?e have already in us. In other words, pity is only possible inasmuch as we can prove or suppose a resemblance between ourselves and the subject that suffers. Everywhere where this resemblance makes itself known, pity is necessary; where this resemblance is lacking, pity is impossible. The more visible and the greater is the resemblance, the more vivid is our pity; and they mutually slacken in dependence on each other. In order that we may feel the affections of another after him, all the internal conditions demanded by this affection must be found beforehand in us, in order that the external cause which, by meeting with the internal conditions, has given birth to the affection, may also produce on us a like effect. It is necessary that, without doing violence to ourselves, we should be able to exchange persons with another, and transport our Ego by an instantaneous substitution in the state of the subject. Now, how is it possible to feel in us the state of another, if we have not beforehand recognized ourselves in this other.
This resemblance bears on the totality of the constitution of the mind, in as far as that is necessary and universal. Now, this character of necessity and of universality belongs especially to our moral nature. The faculty of feeling can be determined differently by accidental causes: our cognitive faculties themselves depend on variable conditions: the moral faculty only has its principle in itself, and by that very fact it can best give us a general measure and a certain criterion of this resemblance. Thus an idea which we find in accord with our mode of thinking and of feeling, which offers at once a certain relationship with the train of our own ideas, which is easily grasped by our heart and our mind, we call a true idea. If this relationship bears on what is peculiar to our heart, on the private determinations that modify in us the common fundamentals of humanity, and which may be withdrawn without altering this general character, this idea is then simply true for us. If it bears on the general and necessary form that we suppose in the whole species, the truth of this idea ought to be held to be equal to objective truth. For the Roman, the sentence of the first Brutus and the suicide of Cato are of subjective truth. The ideas and the feelings that have inspired the actions of these two men are not an immediate consequence of human nature in general, but the mediate consequence of a human nature determined by particular modifications. To share with them these feelings we must have a Roman soul, or at least be capable of assuming for a moment a Roman soul. It suffices, on the other hand, to be a man in general, to be vividly touched by the heroic sacrifice of Leonidas, by the quiet resignation of Aristides, by the voluntary death of Socrates, and to be moved to tears by the terrible changes in the fortunes of Darius. We attribute to these kinds of ideas, in opposition to the preceding ones, an objective truth because they agree with the nature of all human subjects, which gives them a character of universality and of necessity as strict as if they were independent of every subjective condition.
Moreover, although the subjectively true description is based on accidental determinations, this is no reason for confounding it with an arbitrary description. After all, the subjectively true emanates also from the general constitution of the human soul, modified only in particular directions by special circumstances; and the two kinds of truth are equally necessary conditions of the human mind. If the resolution of Cato were in contradiction with the general laws of human nature, it could not be true, even subjectively. The only difference is that the ideas of the second kind are enclosed in a narrower sphere of action; because they imply, besides the general modes of the human mind, other special determinations. Tragedy can make use of it with a very intense effect, if it will renounce the extensive effect; still the unconditionally true, what is purely human in human relations, will be always the richest matter for the tragic poet, because this ground is the only one on which tragedy, without ceasing to aspire to strength of expression can be certain of the generality of this impression.
3d. Besides the vividness and the truth of tragic pictures, there must also be completeness. None of the external data that are necessary to give to the soul the desired movement ought to be omitted in the representation. In order that the spectator, however Roman his sentiments may be, may understand the moral state of Cato—that he may make his own the high resolution of the republican, this resolution must have its principle, not only in the mind of the Roman, but also in the circumstances of the action. His external situation as well as his internal situation must be before our eyes in all their consequences and extent: and we must, lastly, have unrolled before us, without omitting a single link, the whole chain of determinations to which are attached the high resolution of the Roman as a necessary consequence. It may be said in general that without this third condition, even the truth of a painting cannot be recognized; for the similarity of circumstances, which ought to be fully evident, can alone justify our judgment on the similarity of the feelings, since it is only from the competition of external conditions and of internal conditions that the affective phenomenon results. To decide if we should have acted like Cato, we must before all things transport ourselves in thought to the external situation in which Cato was placed, and then only we are entitled to place our feelings alongside his, to pronounce if there is or is not likeness, and to give a verdict on the truth of these feelings.
A complete picture, as I understand it, is only possible by the concatenation of several separate ideas, and of several separate feelings, which are connected together as cause and effect, and which, in their sum total, form one single whole for our cognitive faculty. All these ideas, in order to affect us closely, must make an immediate impression on our senses; and, as the narrative form always weakens this impression, they must be produced by a present action. Thus, in order that a tragic picture may be complete, a whole series is required of particular actions, rendered sensuous and connected with the tragic action as to one whole.
4th. It is necessary, lastly, that the ideas we receive of suffering should act on us in a durable manner, to excite in us a high degree of emotion. The affection created in us by the suffering of another is to us a constrained state, from which we hasten to get free; and the illusion so necessary for pity easily disappears in this case. It is, therefore, a necessity to fasten the mind closely to these ideas, and not to leave it the freedom to get rid too soon of the illusion. The vividness of sudden ideas and the energy of sudden impressions, which in rapid succession affect our senses, would not suffice for this end. For the power of reaction in the mind is manifested in direct proportion to the force with which the receptive faculty is solicited, and it is manifested to triumph over this impression. Now, the poet who wishes to move us ought not to weaken this independent power in us, for it is exactly in the struggle between it and the suffering of our sensuous nature that the higher charm of tragic emotions lies. In order that the heart, in spite of that spontaneous force which reacts against sensuous affections, may remain attached to the impressions of sufferings, it is, therefore, necessary that these impressions should be cleverly suspended at intervals, or even interrupted and intercepted by contrary impressions, to return again with twofold energy and renew more frequently the vividness of the first impression. Against the exhaustion and languor that result from habit, the most effectual remedy is to propose new objects to the senses; this variety retempers them, and the gradation of impressions calls forth the innate faculty, and makes it employ a proportionately stronger resistance. This faculty ought to be incessantly occupied in maintaining its independence against the attacks of the senses, but it must not triumph before the end, still less must it succumb in the struggle. Otherwise, in the former case, suffering, and, in the latter, moral activity is set aside; while it is the union of these two that can alone elicit emotion. The great secret of the tragic art consists precisely in managing this struggle well; it is in this that it shows itself in the most brilliant light.
For this, a succession of alternate ideas is required; therefore a suitable combination is wanted of several particular actions corresponding with these different ideas; actions round which the principal action and the tragic impression which it is wished to produce through it unroll themselves like the yarn from the distaff, and end by enlacing our souls in nets, through which they cannot break. Let me be permitted to make use of a simile, by saying that the artist ought to begin by gathering up with parsimonious care all the separate rays that issue from the object by aid of which he seeks to produce the tragic effect that he has in view, and these rays, in his hands, become a lightning flash, setting the hearts of all on fire. The tyro casts suddenly and vainly all the thunderbolts of horror and fear into the soul; the artist, on the contrary, advances step by step to his end; he only strikes with measured strokes, but he penetrates to the depth of our soul, precisely because he has only stirred it by degrees.
If we now form the proper deductions from the previous investigation, the following will be the conditions that form bases of the tragic art. It is necessary, in the first place, that the object of our pity should belong to our own species—I mean belong in the full sense of the term—and that the action in which it is sought to interest us be a moral action; that is, an action comprehended in the field of free will. It is necessary, in the second place, that suffering, its sources, its degrees, should be completely communicated by a series of events chained together. It is necessary, in the third place, that the object of the passion be rendered present to our senses, not in a mediate way and by description, but immediately and in action. In tragedy art unites all these conditions and satisfies them.