40 Indeed, to all alike We recommend in a particular way that most effective aid, which in any work for the saving of souls must take the first place both in order of time and efficacy: fervent, humble, and confident prayer to God. And We would have them invoke the most powerful patronage of the Virgin Mother of God, that, through the gracious intercession of this most loving Mother of us all, the Divine Spirit may enlighten the minds of Eastern peoples with His heavenly light, and that all of us may be one in the one Church which Jesus Christ founded, and which that same Spirit, the Paraclete, nourishes with an unceasing rain of graces and stirs to sanctity.
Source: Orientalis Ecclesiae (Vatican.va)