This most Holy Synod deliberately teaches this Catholic doctrine and at the same time admonishes all the sons of the Church that the cult, especially the liturgical cult, of the Blessed Virgin, be generously fostered, and the practices and exercises of piety, recommended by the magisterium of the Church toward her in the course of centuries be made of great moment, and those decrees, which have been given in the early days regarding the cult of images of Christ, the Blessed Virgin and the saints, be religiously observed.(Conc. Nicaenum II, anno 787: Mansi 13. 378-379; Denz. 302 (600-601) . Conc. Trident., sess. 2S: Mansi 33, 171-172.)
Then some cautions, especially with regard to how Marian devotion can be a potential hindrance to the faith of other believers, especially when the bounds set forth in Tradition are not followed:
But it exhorts theologians and preachers of the divine word to abstain zealously both from all gross exaggerations as well as from petty narrow-mindedness in considering the singular dignity of the Mother of God.(Cfr. Pius XII, Nunius radioph., 24 oct. 1954: AAS 46 (1954) p. 679. Litt. Encycl. Ad coeli Reginam, 11 oct. 1954: AAS 46 (1954) p. 637.) Following the study of Sacred Scripture, the Holy Fathers, the doctors and liturgy of the Church, and under the guidance of the Church’s magisterium, let them rightly illustrate the duties and privileges of the Blessed Virgin which always look to Christ, the source of all truth, sanctity and piety. Let them assiduously keep away from whatever, either by word or deed, could lead separated (believers) or any other into error regarding the true doctrine of the Church. Let the faithful remember moreover that true devotion consists neither in sterile or transitory affection, nor in a certain vain credulity, but proceeds from true faith, by which we are led to know the excellence of the Mother of God, and we are moved to a filial love toward our mother and to the imitation of her virtues.
In other words, Mary’s place is not as an obstacle to Christian unity, but as a root to true faith, and an example for the virtues. Any comments?