31 Venerable Brothers, history informs us that Our Predecessor, Clement VIII, in his time, anticipated Our conclusion that it would be a wonderful aid to the furthering of piety if the sermons and writings of St. Francis were brought to the attention of Christian peoples. This Pontiff, in the presence of Cardinals and other learned personages, after having gone deeply into the extent of the theological knowledge of St. Francis, who was then a bishop - elect, was seized with such admiration for him that he embraced him with great affection and addressed him in the following words: "Go, Son, 'drink water out of thy own cistern, and the streams of thy own well; let thy fountains be conveyed abroad, and in the streets divide thy waters'." ( Prov . v, 15, 16)
Source: Rerum Omnium Perturbationem (Vatican.va)