Page:Treatise of Human Nature (1888).djvu/400

378, and either keeps us from comparing ourselves with what is remote from us, or diminishes the effects of the comparison. Resemblance and proximity always produce a relation of ideas; and where you destroy these ties, however other accidents may bring two ideas together; as they have no bond or connecting quality to join them in the imagination; ’tis impossible they can remain long united, or have any considerable influence on each other.

I have observ'd in considering the nature of ambition, that the great feel a double pleasure in authority from the comparison of their own condition with that of their slaves; and that this comparison has a double influence, because 'tis natural, and presented by the subject. When the fancy, in the comparison of objects, passes not easily from the one object to the other, the action of the mind is, in a great measure, broke, and the fancy, in considering the second object, begins, as it were, upon a new footing. The impression, which attends every object, seems not greater in that case by succeeding a less of the same kind; but these two impressions are distinct, and produce their distinct effects, without any communication together. The want of relation in the ideas breaks the relation of the impressions, and by such a separation prevents their mutual operation and influence.

To confirm this we may observe, that the proximity in the degree of merit is not alone sufficient to give rise to envy, but must be assisted by other relations. A poet is not apt to envy a philosopher, or a poet of a different kind, of a different nation, or of a different age. All these differences prevent or weaken the comparison, and consequently the passion.

This too is the reason, why all objects appear great or little, merely by a comparison with those of the same species. A mountain neither magnifies nor diminishes a horse in our eyes; but when a Flemish and a Welsh horse are seen together, the one appears greater and the other less, than when view'd apart.