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CHAP. X. Of the Occasional Causes of the Sensations and Motions of the Soul which resist the Efficacy of Grace, either of Light or Sense. The Ʋnion of the Soul with God is immediate, not that of the Soul with the Body. An Explication of some general Laws of the Ʋnion of the Soul and Body, necessary for the right understanding the rest of this Treatise.
I. IN the Fifth, Sixth and Seventh Chapters, I have spoken at large of the occasional Cause of Light; and in the two last, I have endeavoured to shew what is the occasional Cause of the Grace of Sense, and what we must do to obtain it. And therefore, seeing there is nothing beside Light and Sense which determines the Will, or the tendency which the Soul hath toward Good in general; all that now remains in relation to the Means of acquiring or preserving the habitual and ruling Love of the immutable Order, is to explain the Laws of the Union of the Soul and Body, or the oc∣casional Causes of all those lively and confus'd Sensa∣tions, and those indeliberate Motions which unite us to our Body, and by that to all the Objects which are a∣bout us. For, to make us love Order and to acquire Vertue, it is not sufficient to obtain the Grace of Sense, which alone can stir the Soul and put it in Motion to∣ward the true Good; but we must also manage our selves so, that this Grace may work in our Hearts with its full Efficacy. For this end we must carefully avoid the occasional Causes of those Sensations and Mo∣tions which resist the Operation of Grace, and some∣times render it altogether ineffectual. This is the most general Principle of all that I shall say in the First Part of this Discourse.
II. The Soul of Man hath two essential and natural Relations; one to God, the true Cause of all that pas∣ses within him; the other to his Body, the occasional Cause of all those Thoughts which relate to sensible Objects. When God speaks to the Soul, it is to unite