1 "You shall draw waters with joy out of the Savior's fountain."(1) These words by which the prophet Isaias, using highly significant imagery, foretold the manifold and abundant gifts of God which the Christian era was to bring forth, come naturally to Our mind when We reflect on the centenary of that year when Our predecessor of immortal memory, Pius IX, gladly yielding to the prayers from the whole Catholic world, ordered the celebration of the feast of the Most Sacred Heart of Jesus in the Universal Church.
Source: Haurietis Aquas (Vatican.va)