76 Fortified by the most consoling hope of blessings that will accrue to the whole Church and to the whole world from an increase in devotion to the Eucharist, as a pledge of heavenly blessings We lovingly impart Our apostolic blessings to you, Venerable Brothers, and to the priests, religious and all who are helping you, as well as to all the faithful entrusted to your care. Given at St. Peter's, Rome, on the third day of September, the feast of Pope St. Pius X, in the year 1965, the third of Our Pontificate.
Source: Mysterium Fidei (Vatican.va)