44 Furthermore, We call on those also who are separated from Us by ancient schism and whom none the less We love with paternal affection to unite in pouring forth these joint prayers and supplications, knowing full well how greatly they venerate the Mother of Jesus Christ and celebrate her Immaculate Conception. May the same Blessed Virgin Mary look down on all those who are proud to call themselves Christians, and who, being united at least by the bond of charity, humbly raise to her their eyes, their minds and their prayers, imploring that light which illumines the mind with heavenly rays, and begging for that unity by which at last there may be one fold and one shepherd (Cf. John 10. 16).
Source: Fulgens Corona (Vatican.va)