Now in order to know what passions are related to these different kinds of sympathy, we must consider, that benevolence is an original pleasure arising from the pleasure of the person belov'd, and a pain proceeding from his pain: From which correspondence of impressions there arises a subsequent desire of his pleasure, and aversion to his pain. In order, then, to make a passion run parallel with benevolence, 'tis requisite we shou'd feel these double impressions, correspondent to those of the person, whom we consider; nor is any one of them alone sufficient for that purpose. When we sympathize only with one impression, and that a painful one, this sympathy is related to anger and to hatred, upon account of the uneasiness it conveys to us. But as the extensive or limited sympathy depends upon the force of the first sympathy; it follows, that the passion of love or hatred depends upon the same principle. A strong impression, when communicated, gives a double tendency of the passions; which is related to benevolence and love by a similarity of direction; however painful the first impression might have been. A weak impression, that is painful, is related to anger and hatred by the resemblance of sensations. Benevolence, therefore, arises from a great degree of misery, or any degree strongly sympathize'd with: Hatred or contempt from a small degree, or one weakly sympathize'd with; which is the principle I intended to prove and explain.
Nor have we only our reason to trust to for this principle, but also experience. A certain degree of poverty produces contempt; but a degree beyond causes compassion and good-will. We may under-value a peasant or servant; but when the misery of a beggar appears very great, or is painted in very lively colours, we sympathize with him in his addictions, and feel in our heart evident touches of pity and benevolence. The same object causes contrary passions according to its different degrees. The passions, therefore, must depend upon principles, that operate in such certain degrees, according to my hypothesis. The encrease of the
