10520. But in what manner conjunction is effected by means of it, is not apprehended by those who do not know anything of the internal or spiritual sense of the Word; for they do not think beyond its external sense, which is the sense of the letter. From the internal or spiritual sense of the Word it is known what is signified by the "body" and the "blood," and what by the "bread" and the "wine," and also what by "eating."