1968. Next we spoke about the fact that truths of nature are vessels in which spiritual truths can be contained. For unless the containers, that is, instrumental agents, are in agreement, the prime agents cannot be attached to them. This is evident from many considerations, especially from the vascular system of the whole body. If the blood vessels and their membranes were not in complete agreement with the nature of the blood contained in them, the blood could not be there, much less act or be acted on in keeping with its nature and character. Or if the blood cells were not in agreement, then the [animate] spirits and vital essence in those spirits could not be, and remain alive in them, in keeping with their nature and character. And so it is in everything else in the world's threefold kingdom. 1748, 16 May.