CHAP. XVIII. Of the Passions in general.
[unspec 1] PAssion is a violent Motion of the Soul, in that which is distinguished by the Name of Its Sensitive part:* 1.1 And the Cause and Tendency of this Motion is, either to pursue somewhat which the Soul ap∣prehends to be Good; or to decline, and run away from something, which it apprehends to be Evil.
[unspec 2] But it is very necessary, and of great conse∣quence upon this Occasion, to be rightly inform'd how these Motions begin, and what it is that che∣rishes and kindles these Fires in us. Of This, se∣veral Accounts may be given, and different Com∣parisons made use of, to illustrate it by, according to the different Respects in which we consider them. And first of all, with regard to the sud∣denness and vehemence of their Emotions, it is to be observ'd, That the Soul, which, however seemingly multiply'd by Distinctions, is really but One and the Same in the Body, hath several Powers be∣longing to it; and These differ greatly in their Qualities and Operations, according as the several Vessels in which the Soul keeps her Residence,