Mysterium Fidei §7

⁷ We seem to have a preview of these fruits and a first taste of them in the outpouring of joy and eagerness that has marked the reception the sons of the Catholic Church have accorded to the Constitution on the Sacred Liturgy and to the restoration of the liturgy; and we find these fruits too in the large number of carefully-edited publications that make it their purpose to go into the doctrine of the Holy Eucharist more profoundly and to come to a more fruitful understanding of it, especially in terms of its relationship to the mystery of the Church.