The 'type' which serves to evoke it is, not the Jerusalem of the flesh whose Temple was material, but the spiritual Jerusalem of which St. Paul spoke to the Galatians and of which the earthly Jerusalem was merely a figure. Those who are united with God form a single community: Heaven and the Church. I tis simply given one name; to it is applied what the Bible said of the Holy City, in the description of the Prophets or of Revelation.

jean leclercq, the love of learning, p.56