in a desart, and indeed any thing that neither belongs, nor is related to us, has no manner of influence on our vanity, whatever extraordinary qualities it may be endowed with, and whatever degree of surprize and admiration it may naturally occasion.  It must be some way associated with us in order to touch our pride.  Its idea must hang in a manner, upon that of ourselves and the transition from the one to the other must be easy and natural.

But here it is remarkable, that though the relation of resemblance operates upon the mind in the same manner as contiguity and causation, in conveying us from one idea to another, yet it is seldom a foundation either of pride or of humility.  If we resemble a person in any of the valuable parts of his character, we must, in some degree, possess the quality, in which we resemble him; and this quality we always chuse to survey directly in ourselves rather than by reflexion in another person, when we would found upon it any degree of vanity.  So that though a likeness may occasionally produce that passion by suggesting a more advantageous idea of ourselves, it is there the view fixes at last, and the passion finds its ultimate and final cause.

There are instances, indeed, wherein men shew 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 of the person we resemble.  But besides that this multitude of relations must weaken the connexion; it is 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.  It is evident, that the association