118 Mindful of the many benefits that have been received, and trusting confidently that still more will come to Us and to the whole Church, We borrow the prayer that sounded so often on the lips of the Cure of Ars: "Blessed be the most holy and immaculate conception of the Blessed Virgin Mary, Mother of God. May all nations praise, all lands invoke and preach your Immaculate Heart!" (104)
Source: Sacerdotii Nostri Primordia (Vatican.va)