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293 of the cause of these passions, and from the short duration of connexion with ourselves. What is casual and inconstant but little joy, and less pride. We are not much satisfy'd with the thing itself; and are still less apt to feel any new degrees of self-satisfaction upon its account. We foresee and anticipate its change by the imagination; which makes us little satisfy'd with the thing: We compare it to ourselves, whose existence is more durable; by which means its inconstancy appears still greater. It seems ridiculous to infer an excellency in ourselves from an object, which is of so much shorter duration, and attends us during so small a part of our existence. 'Twill be easy to comprehend the reason, why this cause operates not with the same force in joy as in pride; since the idea of self is not so essential to the former passion as to the latter.

V. I may add as a fifth limitation, or rather enlargement of this system, that general rules have a great influence upon pride and humility, as well as on all the other passions. Hence we form a notion of different ranks of men, suitable to the power or riches they are possest of; and this notion we change not upon account of any peculiarities of the health or temper of the persons, which may deprive them of all enjoyment in their possessions. This may be accounted for from the same principles, that explain'd the influence of general rules on the understanding. Custom readily carries us beyond the just bounds in our passions, as well as in our reasonings.

It may not be amiss to observe on this occasion, that the influence of general rules and maxims on the passions very much contributes to facilitate the effects of all the principles, which we shall explain in the progress of this treatise. For ’tis evident, that if a person full-grown, and of the same nature with ourselves, were on a sudden transported into our world, he wou'd be very much embarrass'd with every object, and wou'd not readily find what degree of love or hatred, pride or humility, or any other passion he ought to attribute