Dominum et Vivificantem §11

¹¹ Christ's farewell discourse at the Last Supper stands in particular reference to this "giving" and "self-giving" of the Holy Spirit. In John's Gospel we have as it were the revelation of the most profound "logic" of the saving mystery contained in God's eternal plan, as an extension of the ineffable communion of the Father, Son and Holy Spirit. This is the divine "logic" which from the mystery of the Trinity leads to the mystery of the Redemption of the world in Jesus Christ. The Redemption accomplished by the Son in the dimensions of the earthly history of humanity- accomplished in his "departure" through the Cross and Resurrection-is at the same time, in its entire salvific power, transmitted to the Holy Spirit: the one who "will take what is mine." The words of the text of John indicate that, according to the divine plan, Christ's "departure" is an indispensable condition for the "sending" and the coming of the Holy Spirit, but these words also say that what begins now is the new salvific self-giving of God, in the Holy Spirit.