Mysterium Fidei §6

⁶ And so We earnestly hope that the restoration of the sacred liturgy will produce abundant fruits in the form of Eucharistic devotion, so that the Holy Church may, with this salvific sign of piety raised on high, make daily progress toward the full achievement of unity, (3) inviting all Christians to a unity of faith and love and drawing them to it gently, through the action of divine grace.