1714. From it, then, is the coming into existence, and then the maintenance-which is a perpetual coming into existence-of bodies and their functions. From it is their conservation, which is a perpetual creation. From it the bodies of all animals come forth and are maintained, even of the tiniest animals. From it, all varieties of plants, which in their own way reflect a type of body like that of animate creatures; from it, because of the interactive relationships, arise the portrayals of spiritual and heavenly things by bodily and material things; from it come the agreements of the organs with their spiritual and heavenly counterparts, the organs interacting each by its own active powers or vital uses. Otherwise they would be ineffectual. 1748, 26 March.