“As the letter of the Old Testament seems to belong to the Father, by a certain peculiarity of resemblance, and the letter of the New Testament to the Son; so the spiritual intelligence, which proceeds from both, belongs to the Holy Spirit. Accordingly, the age when men were joined in marriage was the reign of the Father; that of the Preachers is the reign of the Son; and the age of Monks,
ordo monachorum
, the last, is to be that of the Holy Spirit. The first before the law, the second under the law, the third with grace.”