Thus the destruction, in every sense of the word, of human creatures, is so constantly obvious, as mingled and spread throughout the whole system, that the mind has been insensibly wrought to that protective obtuseness which (like the thickness of the natural clothing of animals in rigorous climates) we acquire in defence of our own ease, against the aggrievance of things which inevitably continue in our presence. An instinctive policy to avoid feeling with respect to this prevailing destruction, has so effectually taught us how to maintain the exemption, by all the requisite sleights of overlooking, diverting, forgetting, and admitting deceptive maxims of palliation, that the art or habit is become almost mechanical. When fully matured, it appears like a wonderful adventitious faculty--a power of evading the sight, of _not seeing_, what is obviously and glaringly presented to view on all sides. There is, indeed, a dim general recognition that such things are; the hearing of a bold denial of their existence, would give an instant sense of absurdity, which would provoke a pointed attention to them, the more perfectly to verify their reality; and the perception how real and dreadful they are, might continue distinct as long as we were in the spirit of contradicting and exploding that absurd denial; but, in the ordinary state of feeling, the mind preserves an easy dulness of apprehension toward the melancholy vision, and sees it as if it saw it not. This fortified insensibility may, indeed, be sometimes broken in upon with violence, by the sudden occurrence of some particular instance of human destruction, in either import of the word, some example of peculiar aggravation, or happening under extraordinary and striking circumstances, or very near us in place or interest. An emotion is excited of pity, or terror, or horror; so strong, that if the person so affected has been habitually thoughtless, and has no wish to be otherwise, he fears he shall never recover his state of careless ease; or, if of a more serious disposition, thinks it impossible he can ever cease to feel an awful and salutary effect. This more serious person perhaps also thinks it must be inevitable that henceforward his feelings will be more alive to the miseries of mankind. But how obstinate is an inveterate habitual state of the mind against any single impressions made in contravention to it! Both the thoughtless and the more reflective man may probably find, that a comparatively short lapse of time suffices, to relieve them from anything more than slight momentary reminiscences of what had struck them with such painful force, and to restore, in regard to the general view of the acknowledged misery of the human race, nearly the accustomed tranquillity. The course of feeling resembles a listless stream of water, which, after being dashed into commotion, by a massive substance flung into it, or by its precipitation at a rapid, relapses, in the progress of a few fathoms