Page:Essays on the Principles of Human Action (1835).djvu/179

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ON ABSTRACT IDEAS.
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feeling produced by a number of things, for there is no object which does not consist of an infinite number of parts, and we have not an infinite number of distinct ideas answering to them. Yet it cannot be denied that we have some knowledge of things, that they make some impression on us, and this knowledge, this impression, must therefore be an abstract one, the natural result of a limited understanding, which is variously affected by a number of things at the same time, but which is not susceptible of itself to infinite number of modifications. If it should be said that the sensible image of the house is still one, as being one impression, or given result, I answer that the most abstract ideas of a house, and the imperfect recollection of a number of houses is in the same sense one, and a real idea, distinct from that of a tree, though far from being a particular image. Again, it is said, that in conceiving of the idea of man in general, we must conceive a man a particular sign or figure. I would ask first is this to be understood merely of his height, or of his form in general? If the latter, it would imply that we have, wherever we pronounce the word man, no ideas at all, or a distinct conception of a man with a head and limbs of a certain extent and proportion, of every turn in each feature, of every variety in the formation of each part, as well as of its distance from every other part, a knowledge which no sculptor or painter ever had of any one figure of which he was the most perfect master, for it would be a knowledge of an infinite number of lines drawn in all directions from every part of the body, with their precise length and terminations. Those who have consigned this business of abstraction over to the senses with a view to make the whole matter plain and easy, have not been aware what they have been doing. They sup-