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Philosophical Letters: 5. Philosophical Connection
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S 16.-Exceptions.
But a pleasant affection has sometimes been a fatal one, and an unpleasant one has sometimes worked a marvellous cure. Both facts rest upon experience: should they remove the limits of the law we have expounded?
Joy is fatal when it rises into ecstacy: nature cannot support the strain which in one moment is thrown upon the whole nervous system. The motion of the brain is no longer harmony, but convulsion, an extremely sudden and momentary force which soon changes into the ruin of the organism, since it has transgressed the boundary line of health (for into the very idea of health there enters and is essentially interwoven the idea of a certain moderation of all natural motions). The joy as well as the grief of finite beings is limited, and dare not pass beyond a certain point without ruin.
As far as the second part is concerned, we have many examples of cure, through a moderate fit of anger, of inveterate dyspepsia; and through fright,–as in the case of a fire–of rheumatic pains and lameness apparently incurable. But even dysentery has sometimes resolved an internal stoppage, and the itch has been a cure for melancholy madness and insanity: is the itch, for this, less a disease?–is dysentery therefore health.
S 17.–Indolence of Mind brings about greater Indolence in the Organic Movements.
As, according to the testimony of Herr von Haller, activity of mind during the day tends to quicken the pulse towards evening, will not indolence of mind make it more sluggish, and absolute inactivity completely stop it? For, although the circulation of the blood does not seem to be so very dependent on the mind, is it altogether unreasonable to suppose that the heart, which, in any case, borrows from the brain the larger portion of its strength, must necessarily, when the soul ceases to maintain the action of the brain, suffer thereby a great loss of power? A condition of phlegm is accompanied by a sluggish pulse, the blood is thin and watery, and the circulation defective in the abdomen. The idiots, whom Muzell has described for us [Muzell’s “Medical and Surgical Considerations.”], breathed slowly and with difficulty, had no inclination to eat and drink, nor to the natural functions; the pulse was slow, all bodily movements slumberous and indicative of weariness. The mental numbness which is the result of terror or wonder is sometimes accompanied by a general suspension of all natural physical activity. Was the mind the origin of this condition, or was it the body which brought about this torpid state of mind? But these considerations lead to subtleties and intricate questions, and, besides, must not be discussed in this place.
S 18.–Second Law.
All that has been said of the transferrence of the mental sensations to the animal holds true of the transferrence of animal affections to the mental. Bodily sickness–for the most part the natural result of intemperance–brings its punishment in the form of bodily pain; but the mind also cannot escape a radical attack, in order that a twofold pain may more powerfully impress upon it the necessity of restraint in the desires. In like manner the feeling of bodily health is accompanied by a more lively consciousness of mental improvement, and man is thus the more spurred on to maintain his body in good condition. We arrive thus at a second law of mixed natures–that, with the free action of the bodily organism, the sensations and ideas gain a freer flow; and learn that, with a corrupted organism, corruption of the thinking faculty and of the sensations inevitably follows. Or, more shortly, that the general sensation of a harmonious animal life is the fountain of mental pleasure, and that animal pain and sickness is the fountain of mental pain.
In these different respects, or from their consideration, soul and body may not unaptly be compared with two stringed instruments tuned by the same hand, and placed alongside of one another. When a string of one of them is touched and a certain tone goes forth, the corresponding string of the other will sound of itself and give the same tone, only somewhat weaker. And, using this comparison, we may say that the string of gladness in the body wakes the glad string in the soul, and the sad string the string of sadness. This is that wonderful and noteworthy sympathy which unites the heterogeneous principles in man so as to form one being. Man is not soul and body–but the most inward and essential blending of the two.