that bodies cannot act on, or reveal themselves to, minds, and that the bodies we look at when we open our eyes are quite different from the ideas that represent them and that affect us; that our soul finds its light, its life, and its sustenance only in God; that it can have an immediate and direct relation only with Him and that the relation it has with its body and those surrounding it necessarily depends on the relation it has with the efficacious and luminous substance of the Divinity a substance that discloses creatures to us as possible or as existing or as belonging to us, depending on the different ways in which it affects us insofar as it represents them: (I) as possible when the perception of the idea affecting us is pure, as existing when the perception is sensible, and as belonging to us and forming a part of us when the perception is very absorbing and lively, as is pain.