24 We are pleased in this centenary year to adopt as Our home the homage rendered by Saint Pius X: "The unique glory of the shrine of Lourdes lies in the fact that people are drawn there from everywhere by Mary to adore Jesus Christ in the august Sacrament, so that this shrine - at once a center of Marian devotion and a throne of the Eucharistic mystery - surpasses in glory, it seems, all others in the Catholic world.
Source: Le Pelerinage de Lourdes (Vatican.va)