717. It is also evident from all this that the subject here treated of is the things of man's will, or the good and holy things in him which are predicated of the will. For it is said that he should "take of the clean beast by sevens;" and the same is said in the following verse concerning the "fowl." But in the preceding chapter (verses 19, 20), it is not said that he should "take by sevens" but by "twos" or pairs; because there things of the understanding are treated of, which are not holy in themselves, but are holy from love, which is of the will.