T 2.2.5.5

Besides, if we consider the nature of that faculty, and the great influence which all relations have upon it, we shall easily be perswaded, that however the ideas of the pleasant wines, music, or gardens, which the rich man enjoys, may become lively and agreeable, the fancy will not confine itself to them, but will carry its view to the related objects; and in particular, to the person, who possesses them. And this is the more natural, that the pleasant idea or image produces here a passion towards the person, by means of his relation to the object; so that 'tis unavoidable but he must enter into the original conception, since he makes the object of the derivative passion. But if he enters into the original conception, and is consider'd as enjoying these agreeable objects, 'tis sympathy, which is properly the cause of the affection; and the third principle is more powerful and universal than the first.