7. The difference between these degrees cannot be known unless by a knowledge of correspondence. For these three degrees are quite distinct from each other, like end, cause and effect, or like what is prior, posterior and postreme [or last], yet they make one by correspondences, for the natural corresponds to the spiritual, and also to the celestial. What correspondence is may be seen in the work on HEAVEN AND HELL where it treats of, The Correspondence of all things in heaven with all things in man, Nos. 87-102; and, The Correspondence [of all things] in heaven with all things on earth, Nos. 103-115. It will also be further seen from examples quoted below from the Word.