936. That “day and night” signify the state of the same, that is, of the regenerate man, as to the things of the understanding, the alternations of which are as day and night, is evident from what has just been said. “Summer and winter” are predicated of what is of the will, from their cold and heat; for so it is with the things of the will. But “day and night” are predicated of what is of the understanding, from their light and darkness; for so it is with the things of the understanding. As these things are self-evident, there is no need to confirm them by other like passages from the Word.