It is plain then, that the idea of in matter is as remote from our conceptions and apprehensions, as that of or spirit: and therefore, from our not having, any notion of the substance of spirit, we can no more conclude its non existence, than we can, for the same reason, deny the existence of body; it being as rational to affirm there is no body, because we have no clear and distinct idea of the substance of matter, as to say there is no spirit, because we have no clear and distinct idea of the substance of a spirit.