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Show 88 ORIGIN OF SOCIETY. CAN'fO III. '' These acts repeated rise from joys or pains, And s·well Imagination's :flowing trains; So in dread dreams amid the silent night Grim spectre-forms the shuddering sense affright; Or Beauty's idol-image, as it moves, Charms the closed eye with graces, smiles, and loves; 70 Each passing form the pausing heart delights, . And young SENS~ TION every nerve excites. " Oft from sensation quick VoLITION springs, When pleasure thrills us, or when anguish stings; And yozeng Sensation, 1. 79.. Sensation is an exertion ~r cha~ge_ of the central parts of the sensorium or o~ the ':hol_e of It} begznnmg at some of those extreme parts of it wh1ch 1~es1de m the muscles or orO'ans of sense. Sensitive ideas are those wh1ch are preceded b~ the se~sation of pleasure or pain, ·are termed Imaginatio11, and constitute o.ur dreams and reveries. . . . . . f Quick VOlition sp1·ings, 1. ?3. Vol!twn IS an exertiOn 0.1 cha_nge_ o .. the central parts of the sensorium, or of the whole of it termznatmg in some of those extreme parts of it which reside in the muscl~s ~nd organs of sense. · The vulgar use of the ~'orcl memory is too unlimited for our purpose: those ideas which we voluntarily recall are here termed iJeas of recollection, as when we will to repeat the alphab.et backwards. And those ideas which are sugg~sted to us by p1·eceding ideas at·e here termed ideas of suggestion, as whilst we repeat the CANTO III. PROGRESS OF THE MIND. Hence Recollectio~ calls with voice sublime Immersed ideas from the wrecks of Time, With potent charm in lucid trains displays Eventful stories of forgotten days. 89 Hence Reason's efforts good with ill contrast, Compare the present, future, and the past; Each passing moment, unobserved restrain The wild discordancies of Fancy's train; 80 But leave uncheck'd the Night's ideal streams, Or, sacred Muses r your meridian dreams. alphabet in the tlsual order; when by habits previously acquired B is suggested by A, and C by B, without any effort of deliberation. Reasoning is that ·operation of tl1e sensorium by which we excite two or many tribes of ideas, and then reexcite the ideas in which they differ or correspond. If we determine this difference it is called judgment; if we in vain endeavour to determine it, it is 'called doubting. If we Teexcite the ideas in whicl1 they differ, 1t is called distinguishin? ·· If we reexcite those in which they correspond, it is called companng. Each passing moment, I. 81. During our waking hours, we petpetually compare the passing trains of our ideas with the known system of nature, and reject those which are inconoTuous with it· h. . 0 ) t 1s 1s explained in Zoonomia, Sect. XVII. S. 7. and is there termed Intuitive Analogy. 'Vhen we sleep, the faculty of volition ceases to act, and in consequence the uncompared trains of ideas become incongruous and form the farrago of our dreams; in which we never experience any surprise, or sense of novelty. N |