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able according already argument asserts association attention Berkeley Berkeley's Berkeley's theory blind bodies ception circumstances clear close colour compared conceive conception connection consequently considered CONTINUATION described different distances difficulty dimensions direct distance distinct distinguish doctrine effect equally Essay evidence examination experience expression extension external fact feeling felt figure former give hand human ideas immediately impressions inch inference instance judgment language latter less light looking magnitude meaning mind nature nerves notion objects observed operation organ original passage patient perceived philosophers plane position precise present produced prove question reason regard relations relative remarks respect result retina says seems seen sensations sense sight signs solid sound space Stewart suggested supposed surface tactual tangible tangible distance theory thing thought tion touch true various visible appearances visible objects vision visual perception
Стр. 218 - Suppose a man born blind, and now adult, and taught by his touch to distinguish between a cube and a sphere of the same metal, and nighly of the same bigness, so as to tell, when he felt one and the other, which is the cube, which the sphere.
Стр. 38 - It is, I think, agreed by all that distance of itself, and immediately, cannot be seen. For distance being a line directed endwise to the eye, it projects only one point in the fund of the eye—which point remains invariably the same, whether the distance be longer or shorter.
Стр. 178 - ... he could form no judgment of their shape, or guess what it was in any object that was pleasing to him. He knew not the shape of any thing, nor any one thing from another, however different in shape or magnitude, but upon being told what things were, whose form he knew before from feeling, he would carefully observe that he might know them again...
Стр. 141 - I think, usual in any of our ideas, but those received by sight ; because sight, the most comprehensive of all our senses, conveying to our minds the ideas of light and colours, which are peculiar only to that sense; and also the far different ideas of space, figure, and motion...
Стр. 219 - ... that pressed his hand unequally, shall appear to his eye as it does in the cube." I agree with this thinking gentleman, whom I am proud to call my friend, in his answer to this problem; and am of opinion that the blind man, at first sight, would not be able with certainty to say which was the globe, which the cube...
Стр. 48 - It will now be obvious why it is impossible for the artist to give a faithful representation of any near solid object, that is, to produce a painting which shall not be distinguished in the mind from the object itself.
Стр. 77 - THE EXTENSION, FIGURES, AND MOTIONS PERCEIVED BY SIGHT ARE SPECIFICALLY DISTINCT FROM THE IDEAS OF TOUCH CALLED BY THE SAME NAMES, NOR is THERE ANY SUCH THING as ONE IDEA OR KIND OF IDEA COMMON TO BOTH SENSES.
Стр. 167 - When the patient first received the dawn of light, there appeared such an ecstasy in his action, that he, seemed ready to swoon away in the surprise of joy and wonder. The surgeon stood before him with his instruments in his hands. The young man observed him from head to foot ; after which he surveyed himself as carefully, and seemed to compare him to himself; and observing both their hnnds, seemed to think they were exactly alike, except the instruments, which he took for parts of his hands.
Стр. 34 - That the proper objects of sight neither exist without the mind, nor are the images of external things, was shown even in that treatise. Though throughout the same, the contrary be supposed true of tangible objects: not that to suppose that vulgar error, was necessary for establishing the notion therein laid down; but because it was beside my purpose to examine and refute it in a discourse concerning vision.