There are instances, indeed, wherein men show a vanity in resembling a great man in his countenance, shape, air, or other minute circumstances, that contribute not in any degree to his reputation; but it must be confessed, that this extends not very far, nor is of any considerable moment in these affections. For this I assign the following reason. We can never have a vanity of resembling in trifles any person, unless he be possessed of very shining qualities, which give us a respect and veneration for him. These qualities, then, are, properly speaking, the causes of our vanity, by means of their relation to ourselves. Now, after what manner are they related to ourselves? They are parts of the person we value, and, consequently, connected with these trifles; which are also supposed to be parts of him. These trifles are connected with the resembling qualities in us; and these qualities in us, being parts, are connected with the whole; and, by that means, form a chain of several links betwixt ourselves and the shining qualities of the person we resemble. But, besides that this multitude of relations must weaken the connexion, 'tis evident the mind, in passing from the shining qualities to the trivial ones, must, by that contrast, the better perceive the minuteness of the latter, and be, in some measure, ashamed of the comparison and resemblance. The relation, therefore, of contiguity, or that of causation, betwixt the cause and object of pride and humility, is alone requisite to give rise to these passions; and these relations are nothing else but qualities, by which the imagination is conveyed from one idea to another. Now, let us consider what effect these can possibly have upon the mind, and by what means they become so requisite to the production of the passions. 'Tis evident, that the association of ideas operates in so silent and imperceptible a manner, that we are scarce sensible of it, and discover it more by its effects than by any immediate feeling or perception. It produces no emotion, and gives rise to no new impression of any kind, but only modifies those ideas of which the mind was formerly possessed, and which it could recal upon occasion. From this reasoning, as well as from undoubted experience, we may conclude, that an association of ideas, however necessary, is not alone sufficient to give rise to any passion.