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these invariably make certain impressions on a spectator: the external signs of joy, for example, produce a cheerful emotion; the external signs of grief produce pity; and the external signs of rage produce a sort of terror even in those who are not aimed at.
Secondly, it is natural to think, that pleasant passions should express themselves externally by signs that to a spectator appear agreeable, and painful passions by signs that to him appear disa greeable. This conjecture, which Nature suggests, is confirmed by experience. Pride possibly may be thought an exception, the external signs of which are disagreeable, though it be commonly reckoned a pleasant passion: but pride is not an exception, being in reality a mixed passion, partly pleasant, partly painful; for when a proud man confines his thoughts to himself, and to his own dignity or importance, the passion is pleasant, and its external signs agreeable; but as pride chiefly consists in undervaluing or contemning others, it is so far painful, and its external signs disagreeable.
Thirdly, It is laid down above, that an agreeable object produceth always a pleasant emotion, and a disagreeable object one that is painful.* According to this law, the external signs of a pleasant passion, being agreeable, must produce in the spectator a pleasant emotion: and the external signs of a painful passion, being disagreeable, must produce in him a painful emotion.
Fourthly, In the present chapter it is observed, that pleasant passions are, for the most part, expressed externally in one uniform manner; but that all the painful passions are distinguishable from each other by their external expressions. The
* See Chapter II. Part vii.
emotions accordingly raised in a spectator by external signs of pleasant passions, have little variety: these emotions are pleasant or cheerful, and we have not words to reach a more particular description. But the external signs of painful passious produce in the spectator emotions of different kinds: the emotions, for example, raised by external signs of grief, of remorse, of anger, of envy, of malice, are clearly distinguishable from each other.
Fifthly, External signs of painful passions are some of them attractive, some repulsive. Of every painful passion that is also disagreeable,* the external signs are repulsive, repelling the spectator from the object: and the passion raised by such external signs may be also considered as repulsive. Painful passions that are agreeable produce an opposite effect: their external signs are attractive, drawing the spectator to them, and producing in him benevolence to the person upon whom these signs appear; witness distress painted on the countenance, which instantaneously inspires the spectator with pity, and impels him to afford relief. And the passion raised by such external signs may also be considered as attractive. The cause of this difference among the painful passions raised by their external signs may be readily gathered from what is laid down, Chapter II. Part vii.
It is now time to look back to the question proposed in the beginning, How we come to understand external signs, so as to refer each sign to its proper passion? We have seen that this branch of knowledge cannot be derived originally from sight, nor from experience. Is it then implanted in us by nature? The following considerations will in
* See passions explained as agreeable or disagreeable, Chapter II: Part ii.
cline us to answer the question in the affirmative. In the first place, the external signs of passion must be natural; for they are invariably the same in every country, and among the different tribes of men: pride, for example, is always expressed by an erect posture, reverence by prostration, and sorrow by a dejected look. Secondly, we are not even indebted to experience for the knowledge that these expressions are natural and universal: for we are so framed as to have an innate conviction of the fact let a man change his habitation to the other side of the globe, he will, from the accustomed signs, infer the passion of fear among his new neighbours, with as little hesitation as he did at home. But why, after all, involve ourselves in preliminary observations, when the doubt may be directly solved as follows? That, if the meaning of external signs be not derived to us from sight, nor from experience, there is no remaining source whence it can be derived but from nature.
We may then venture to pronounce, with some degree of assurance, that man is provided by nature with a sense or faculty that lays open to him every passion by means of its external expressions. And we cannot entertain any reasonable doubt of this, when we reflect, that the meaning of external signs is not hid even from infants: an infant is remarkably affected with the passions of its nurse expressed in her countenance; a smile cheers it, a frown makes it afraid: but fear cannot be without apprehending danger; and what danger can the infant apprehend, unless it be sensible that its nurse is angry? We must therefore admit, that a child can read anger in its nurse's face; of which it must be sensible intuitively, for it has no other mean of knowledge. I do not affirm, that these particulars are clearly apprehended by the child; for to pro
duce clear and distinct perceptions, reflection and experience are requisite: but that even an infant, when afraid, must have some notion of its being in danger, is evident.
That we should be conscious intuitively of a passion from its external expressions, is conformable to the analogy of nature: the knowledge of that language is of too great importance to be left upon experience; because a foundation so uncertain and precarious, would prove a great obstacle to the formation of societies. Wisely therefore is it ordered, and agreeably to the system of Providence, that we should have nature for our instructor.
Manifold and admirable are the purposes to which the external signs of passion are made subservient by the author of our nature: those occasionally mentioned above, make but a part. Several final causes remain to be unfolded; and to that task I proceed with alacrity. In the first place, the signs of internal agitation displayed externally to every spectator, tend to fix the signification of many words. The only effectual means to ascertain the meaning of any doubtful word, is an appeal to the thing it represents and hence the ambiguity of words expressive of things that are not objects of external sense; for in that case an appeal is denied. Passion, strictly speaking, is not an object of external sense: but its external signs are; and by means of these signs, passions may be appealed to with tolerable accuracy: thus the words that denote our passions, next to those that denote external objects, have the most distinct meaning. Words signifying internal action and the more delicate feelings, are less distinct. This defect with regard to internal action, is what chiefly occasions the intricacy of logic: the terms of that science are far
from being sufficiently ascertained, even after much care and labour bestowed by an eminent writer ;* to whom, however, the world is greatly indebted, for removing a mountain of rubbish, and moulding the subject into a rational and correct form. The same defect is remarkable in criticism, which has for its object the more delicate feelings; the terms that denote these feelings being not more distinct than those of logic. To reduce the science of criticism to any regular form, has never once been attempted: however rich the ore may be, no critical chemist has been found, to analyse its constituent parts, and to distinguish each by its own name.
In the second place, Society among individuals is greatly promoted by that universal language. Looks and gestures give direct access to the heart, and lead us to select, with tolerable accuracy, the persons who are worthy of our confidence. It is surprising how quickly, and for the most part how correctly, we judge of character from external ap
Thirdly, After social intercourse is commenced, these external signs, which diffuse through a whole assembly the feelings of each individual, contribute above all other means to improve the social affections. Language, no doubt, is the most comprehensive vehicle for communicating emotions: but in expedition, as well as in power of conviction, it falls short of the signs under consideration; the involuntary signs especially, which are incapable of deceit. Where the countenance, the tones, the gestures, the actions, join with the words in communicating emotions, these united have a force irresistible: thus all the pleasant emotions of the human heart, with all the social and virtuous affec